Re: [PATCH 08/41] mm: introduce CONFIG_PER_VMA_LOCK

[PATCH 00/41] Per-VMA locks · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
[PATCH 01/41] maple_tree: Be more cautious about dead nodes · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
[PATCH 02/41] maple_tree: Detect dead nodes in mas_start() · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
[PATCH 03/41] maple_tree: Fix freeing of nodes in rcu mode · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
[PATCH 04/41] maple_tree: remove extra smp_wmb() from mas_dead_leaves() · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
[PATCH 05/41] maple_tree: Fix write memory barrier of nodes once dead for RCU mode · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
[PATCH 08/41] mm: introduce CONFIG_PER_VMA_LOCK · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
Re: [PATCH 08/41] mm: introduce CONFIG_PER_VMA_LOCK · Davidlohr Bueso <dave@stgolabs.net> · 2023-01-11
Re: [PATCH 08/41] mm: introduce CONFIG_PER_VMA_LOCK · Suren Baghdasaryan <surenb@google.com> · 2023-01-11
Re: [PATCH 08/41] mm: introduce CONFIG_PER_VMA_LOCK · Michal Hocko <mhocko@suse.com> · 2023-01-11
Re: [PATCH 08/41] mm: introduce CONFIG_PER_VMA_LOCK · Ingo Molnar <mingo@kernel.org> · 2023-01-11
[PATCH 06/41] maple_tree: Add smp_rmb() to dead node detection · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
[PATCH 07/41] mm: Enable maple tree RCU mode by default. · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
[PATCH 09/41] mm: rcu safe VMA freeing · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
Re: [PATCH 09/41] mm: rcu safe VMA freeing · Michal Hocko <mhocko@suse.com> · 2023-01-17
Re: [PATCH 09/41] mm: rcu safe VMA freeing · Suren Baghdasaryan <surenb@google.com> · 2023-01-18
[PATCH 10/41] mm: move mmap_lock assert function definitions · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
[PATCH 11/41] mm: export dump_mm() · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
[PATCH 12/41] mm: add per-VMA lock and helper functions to control it · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
Re: [PATCH 12/41] mm: add per-VMA lock and helper functions to control it · Michal Hocko <mhocko@suse.com> · 2023-01-17
Re: [PATCH 12/41] mm: add per-VMA lock and helper functions to control it · Michal Hocko <mhocko@suse.com> · 2023-01-17
Re: [PATCH 12/41] mm: add per-VMA lock and helper functions to control it · Suren Baghdasaryan <surenb@google.com> · 2023-01-17
Re: [PATCH 12/41] mm: add per-VMA lock and helper functions to control it · Matthew Wilcox <willy@infradead.org> · 2023-01-17
Re: [PATCH 12/41] mm: add per-VMA lock and helper functions to control it · Suren Baghdasaryan <surenb@google.com> · 2023-01-17
Re: [PATCH 12/41] mm: add per-VMA lock and helper functions to control it · Michal Hocko <mhocko@suse.com> · 2023-01-18
Re: [PATCH 12/41] mm: add per-VMA lock and helper functions to control it · Suren Baghdasaryan <surenb@google.com> · 2023-01-17
Re: [PATCH 12/41] mm: add per-VMA lock and helper functions to control it · Michal Hocko <mhocko@suse.com> · 2023-01-17
Re: [PATCH 12/41] mm: add per-VMA lock and helper functions to control it · Suren Baghdasaryan <surenb@google.com> · 2023-01-17
Re: [PATCH 12/41] mm: add per-VMA lock and helper functions to control it · Jann Horn <jannh@google.com> · 2023-01-17
Re: [PATCH 12/41] mm: add per-VMA lock and helper functions to control it · Suren Baghdasaryan <surenb@google.com> · 2023-01-17
Re: [PATCH 12/41] mm: add per-VMA lock and helper functions to control it · Jann Horn <jannh@google.com> · 2023-01-17
Re: [PATCH 12/41] mm: add per-VMA lock and helper functions to control it · Suren Baghdasaryan <surenb@google.com> · 2023-01-17
Re: [PATCH 12/41] mm: add per-VMA lock and helper functions to control it · Matthew Wilcox <willy@infradead.org> · 2023-01-18
Re: [PATCH 12/41] mm: add per-VMA lock and helper functions to control it · Alexander Gordeev <agordeev@linux.ibm.com> · 2023-11-22
Re: [PATCH 12/41] mm: add per-VMA lock and helper functions to control it · Michal Hocko <mhocko@suse.com> · 2023-01-18
Re: [PATCH 12/41] mm: add per-VMA lock and helper functions to control it · Jann Horn <jannh@google.com> · 2023-01-18
Re: [PATCH 12/41] mm: add per-VMA lock and helper functions to control it · Michal Hocko <mhocko@suse.com> · 2023-01-18
Re: [PATCH 12/41] mm: add per-VMA lock and helper functions to control it · Suren Baghdasaryan <surenb@google.com> · 2023-01-18
Re: [PATCH 12/41] mm: add per-VMA lock and helper functions to control it · Michal Hocko <mhocko@suse.com> · 2023-01-18
Re: [PATCH 12/41] mm: add per-VMA lock and helper functions to control it · Suren Baghdasaryan <surenb@google.com> · 2023-01-18
[PATCH 13/41] mm: introduce vma->vm_flags modifier functions · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
Re: [PATCH 13/41] mm: introduce vma->vm_flags modifier functions · Davidlohr Bueso <dave@stgolabs.net> · 2023-01-11
Re: [PATCH 13/41] mm: introduce vma->vm_flags modifier functions · Suren Baghdasaryan <surenb@google.com> · 2023-01-11
Re: [PATCH 13/41] mm: introduce vma->vm_flags modifier functions · Davidlohr Bueso <dave@stgolabs.net> · 2023-01-11
Re: [PATCH 13/41] mm: introduce vma->vm_flags modifier functions · Suren Baghdasaryan <surenb@google.com> · 2023-01-11
Re: [PATCH 13/41] mm: introduce vma->vm_flags modifier functions · Michal Hocko <mhocko@suse.com> · 2023-01-17
Re: [PATCH 13/41] mm: introduce vma->vm_flags modifier functions · Michal Hocko <mhocko@suse.com> · 2023-01-17
Re: [PATCH 13/41] mm: introduce vma->vm_flags modifier functions · Suren Baghdasaryan <surenb@google.com> · 2023-01-18
[PATCH 14/41] mm: replace VM_LOCKED_CLEAR_MASK with VM_LOCKED_MASK · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
[PATCH 15/41] mm: replace vma->vm_flags direct modifications with modifier calls · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
[PATCH 16/41] mm: replace vma->vm_flags indirect modification in ksm_madvise · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
[PATCH 17/41] mm/mmap: move VMA locking before anon_vma_lock_write call · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
Re: [PATCH 17/41] mm/mmap: move VMA locking before anon_vma_lock_write call · Michal Hocko <mhocko@suse.com> · 2023-01-17
Re: [PATCH 17/41] mm/mmap: move VMA locking before anon_vma_lock_write call · Suren Baghdasaryan <surenb@google.com> · 2023-01-18
Re: [PATCH 17/41] mm/mmap: move VMA locking before anon_vma_lock_write call · Michal Hocko <mhocko@suse.com> · 2023-01-18
Re: [PATCH 17/41] mm/mmap: move VMA locking before anon_vma_lock_write call · Suren Baghdasaryan <surenb@google.com> · 2023-01-18
Re: [PATCH 17/41] mm/mmap: move VMA locking before anon_vma_lock_write call · Michal Hocko <mhocko@suse.com> · 2023-01-18
Re: [PATCH 17/41] mm/mmap: move VMA locking before anon_vma_lock_write call · Suren Baghdasaryan <surenb@google.com> · 2023-01-18
Re: [PATCH 17/41] mm/mmap: move VMA locking before anon_vma_lock_write call · Michal Hocko <mhocko@suse.com> · 2023-01-19
Re: [PATCH 17/41] mm/mmap: move VMA locking before anon_vma_lock_write call · Suren Baghdasaryan <surenb@google.com> · 2023-01-19
[PATCH 18/41] mm/khugepaged: write-lock VMA while collapsing a huge page · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
Re: [PATCH 18/41] mm/khugepaged: write-lock VMA while collapsing a huge page · Michal Hocko <mhocko@suse.com> · 2023-01-17
Re: [PATCH 18/41] mm/khugepaged: write-lock VMA while collapsing a huge page · Jann Horn <jannh@google.com> · 2023-01-17
Re: [PATCH 18/41] mm/khugepaged: write-lock VMA while collapsing a huge page · Suren Baghdasaryan <surenb@google.com> · 2023-01-17
Re: [PATCH 18/41] mm/khugepaged: write-lock VMA while collapsing a huge page · Michal Hocko <mhocko@suse.com> · 2023-01-18
Re: [PATCH 18/41] mm/khugepaged: write-lock VMA while collapsing a huge page · Jann Horn <jannh@google.com> · 2023-01-18
Re: [PATCH 18/41] mm/khugepaged: write-lock VMA while collapsing a huge page · Suren Baghdasaryan <surenb@google.com> · 2023-01-18
[PATCH 19/41] mm/mmap: write-lock VMAs before merging, splitting or expanding them · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
[PATCH 20/41] mm/mmap: write-lock VMAs in vma_adjust · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
[PATCH 21/41] mm/mmap: write-lock VMAs affected by VMA expansion · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
[PATCH 22/41] mm/mremap: write-lock VMA while remapping it to a new address range · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
[PATCH 23/41] mm: write-lock VMAs before removing them from VMA tree · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
[PATCH 24/41] mm: conditionally write-lock VMA in free_pgtables · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
[PATCH 25/41] mm/mmap: write-lock adjacent VMAs if they can grow into unmapped area · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
[PATCH 29/41] mm: fall back to mmap_lock if vma->anon_vma is not yet set · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
[PATCH 26/41] kernel/fork: assert no VMA readers during its destruction · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
Re: [PATCH 26/41] kernel/fork: assert no VMA readers during its destruction · Michal Hocko <mhocko@suse.com> · 2023-01-17
Re: [PATCH 26/41] kernel/fork: assert no VMA readers during its destruction · Suren Baghdasaryan <surenb@google.com> · 2023-01-18
Re: [PATCH 26/41] kernel/fork: assert no VMA readers during its destruction · Michal Hocko <mhocko@suse.com> · 2023-01-18
Re: [PATCH 26/41] kernel/fork: assert no VMA readers during its destruction · Suren Baghdasaryan <surenb@google.com> · 2023-01-18
[PATCH 27/41] mm/mmap: prevent pagefault handler from racing with mmu_notifier registration · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
Re: [PATCH 27/41] mm/mmap: prevent pagefault handler from racing with mmu_notifier registration · Jann Horn <jannh@google.com> · 2023-01-18
Re: [PATCH 27/41] mm/mmap: prevent pagefault handler from racing with mmu_notifier registration · Suren Baghdasaryan <surenb@google.com> · 2023-01-18
[PATCH 28/41] mm: introduce lock_vma_under_rcu to be used from arch-specific code · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
Re: [PATCH 28/41] mm: introduce lock_vma_under_rcu to be used from arch-specific code · Michal Hocko <mhocko@suse.com> · 2023-01-17
Re: [PATCH 28/41] mm: introduce lock_vma_under_rcu to be used from arch-specific code · Suren Baghdasaryan <surenb@google.com> · 2023-01-18
Re: [PATCH 28/41] mm: introduce lock_vma_under_rcu to be used from arch-specific code · Matthew Wilcox <willy@infradead.org> · 2023-01-18
Re: [PATCH 28/41] mm: introduce lock_vma_under_rcu to be used from arch-specific code · Suren Baghdasaryan <surenb@google.com> · 2023-01-18
Re: [PATCH 28/41] mm: introduce lock_vma_under_rcu to be used from arch-specific code · Jann Horn <jannh@google.com> · 2023-01-17
Re: [PATCH 28/41] mm: introduce lock_vma_under_rcu to be used from arch-specific code · Liam Howlett <hidden> · 2023-01-18
[PATCH 31/41] mm: prevent do_swap_page from handling page faults under VMA lock · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
[PATCH 32/41] mm: prevent userfaults to be handled under per-vma lock · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
Re: [PATCH 32/41] mm: prevent userfaults to be handled under per-vma lock · Jann Horn <jannh@google.com> · 2023-01-17
Re: [PATCH 32/41] mm: prevent userfaults to be handled under per-vma lock · Jann Horn <jannh@google.com> · 2023-01-17
Re: [PATCH 32/41] mm: prevent userfaults to be handled under per-vma lock · Suren Baghdasaryan <surenb@google.com> · 2023-01-17
[PATCH 30/41] mm: add FAULT_FLAG_VMA_LOCK flag · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
[PATCH 33/41] mm: introduce per-VMA lock statistics · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
[PATCH 35/41] arm64/mm: try VMA lock-based page fault handling first · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
[PATCH 37/41] mm: introduce mod_vm_flags_nolock · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
[PATCH 36/41] powerc/mm: try VMA lock-based page fault handling first · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
[PATCH 34/41] x86/mm: try VMA lock-based page fault handling first · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
[PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Michal Hocko <mhocko@suse.com> · 2023-01-17
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Suren Baghdasaryan <surenb@google.com> · 2023-01-18
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Michal Hocko <mhocko@suse.com> · 2023-01-18
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Suren Baghdasaryan <surenb@google.com> · 2023-01-18
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · "Paul E. McKenney" <paulmck@kernel.org> · 2023-01-18
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Suren Baghdasaryan <surenb@google.com> · 2023-01-18
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · "Paul E. McKenney" <paulmck@kernel.org> · 2023-01-18
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Michal Hocko <mhocko@suse.com> · 2023-01-19
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · "Paul E. McKenney" <paulmck@kernel.org> · 2023-01-19
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Michal Hocko <mhocko@suse.com> · 2023-01-20
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · "Paul E. McKenney" <paulmck@kernel.org> · 2023-01-20
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Michal Hocko <mhocko@suse.com> · 2023-01-19
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Suren Baghdasaryan <surenb@google.com> · 2023-01-19
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · "Paul E. McKenney" <paulmck@kernel.org> · 2023-01-19
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Suren Baghdasaryan <surenb@google.com> · 2023-01-19
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · "Paul E. McKenney" <paulmck@kernel.org> · 2023-01-20
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Michal Hocko <mhocko@suse.com> · 2023-01-20
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Suren Baghdasaryan <surenb@google.com> · 2023-01-20
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Suren Baghdasaryan <surenb@google.com> · 2023-01-20
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Matthew Wilcox <willy@infradead.org> · 2023-01-20
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Liam R. Howlett <hidden> · 2023-01-20
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Suren Baghdasaryan <surenb@google.com> · 2023-01-20
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Matthew Wilcox <willy@infradead.org> · 2023-01-20
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Suren Baghdasaryan <surenb@google.com> · 2023-01-20
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Liam R. Howlett <hidden> · 2023-01-20
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Michal Hocko <mhocko@suse.com> · 2023-01-23
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Suren Baghdasaryan <surenb@google.com> · 2023-01-23
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Michal Hocko <mhocko@suse.com> · 2023-01-23
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Suren Baghdasaryan <surenb@google.com> · 2023-01-23
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Michal Hocko <mhocko@suse.com> · 2023-01-23
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Suren Baghdasaryan <surenb@google.com> · 2023-01-23
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Matthew Wilcox <willy@infradead.org> · 2023-01-23
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Suren Baghdasaryan <surenb@google.com> · 2023-01-23
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Michal Hocko <mhocko@suse.com> · 2023-01-23
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Matthew Wilcox <willy@infradead.org> · 2023-01-23
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Suren Baghdasaryan <surenb@google.com> · 2023-01-23
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Michal Hocko <mhocko@suse.com> · 2023-01-23
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Suren Baghdasaryan <surenb@google.com> · 2023-01-23
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Liam R. Howlett <hidden> · 2023-01-23
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · "Paul E. McKenney" <paulmck@kernel.org> · 2023-01-20
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Suren Baghdasaryan <surenb@google.com> · 2023-01-20
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Michal Hocko <mhocko@suse.com> · 2023-01-23
Re: [PATCH 39/41] kernel/fork: throttle call_rcu() calls in vm_area_free · Suren Baghdasaryan <surenb@google.com> · 2023-01-23
[PATCH 38/41] mm: avoid assertion in untrack_pfn · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
[PATCH 41/41] mm: replace rw_semaphore with atomic_t in vma_lock · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
Re: [PATCH 41/41] mm: replace rw_semaphore with atomic_t in vma_lock · Vlastimil Babka <hidden> · 2023-01-10
Re: [PATCH 41/41] mm: replace rw_semaphore with atomic_t in vma_lock · Suren Baghdasaryan <surenb@google.com> · 2023-01-10
Re: [PATCH 41/41] mm: replace rw_semaphore with atomic_t in vma_lock · Jann Horn <jannh@google.com> · 2023-01-17
Re: [PATCH 41/41] mm: replace rw_semaphore with atomic_t in vma_lock · Suren Baghdasaryan <surenb@google.com> · 2023-01-17
Re: [PATCH 41/41] mm: replace rw_semaphore with atomic_t in vma_lock · Matthew Wilcox <willy@infradead.org> · 2023-01-17
Re: [PATCH 41/41] mm: replace rw_semaphore with atomic_t in vma_lock · Suren Baghdasaryan <surenb@google.com> · 2023-01-17
Re: [PATCH 41/41] mm: replace rw_semaphore with atomic_t in vma_lock · Matthew Wilcox <willy@infradead.org> · 2023-01-17
Re: [PATCH 41/41] mm: replace rw_semaphore with atomic_t in vma_lock · Suren Baghdasaryan <surenb@google.com> · 2023-01-17
Re: [PATCH 41/41] mm: replace rw_semaphore with atomic_t in vma_lock · Jann Horn <jannh@google.com> · 2023-01-17
Re: [PATCH 41/41] mm: replace rw_semaphore with atomic_t in vma_lock · Suren Baghdasaryan <surenb@google.com> · 2023-01-17
Re: [PATCH 41/41] mm: replace rw_semaphore with atomic_t in vma_lock · Jann Horn <jannh@google.com> · 2023-01-17
Re: [PATCH 41/41] mm: replace rw_semaphore with atomic_t in vma_lock · Suren Baghdasaryan <surenb@google.com> · 2023-01-17
[PATCH 40/41] mm: separate vma->lock from vm_area_struct · Suren Baghdasaryan <surenb@google.com> · 2023-01-09
Re: [PATCH 40/41] mm: separate vma->lock from vm_area_struct · Jann Horn <jannh@google.com> · 2023-01-17
Re: [PATCH 40/41] mm: separate vma->lock from vm_area_struct · Suren Baghdasaryan <surenb@google.com> · 2023-01-17

From: Davidlohr Bueso <dave@stgolabs.net>
Date: 2023-01-11 00:39:38
Also in: linux-mm, linuxppc-dev, lkml

On Mon, 09 Jan 2023, Suren Baghdasaryan wrote:

This configuration variable will be used to build the support for VMA
locking during page fault handling.

This is enabled by default on supported architectures with SMP and MMU
set.

The architecture support is needed since the page fault handler is called
from the architecture's page faulting code which needs modifications to
handle faults under VMA lock.

I don't think that per-vma locking should be something that is user-configurable.
It should just be depdendant on the arch. So maybe just remove CONFIG_PER_VMA_LOCK?

Thanks,
Davidlohr

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