[PATCH v4 29/66] parisc: Remove mmap linked list from cache handling
From: Liam Howlett <hidden>
Date: 2021-12-01 14:32:55
Also in:
lkml
Subsystem:
parisc architecture, the rest · Maintainers:
"James E.J. Bottomley", Helge Deller, Linus Torvalds
From: "Liam R. Howlett" <redacted> Use the VMA iterator instead. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Liam R. Howlett <redacted> --- arch/parisc/kernel/cache.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index 94150b91c96f..c3a8d29b6f9f 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c@@ -519,9 +519,11 @@ static inline unsigned long mm_total_size(struct mm_struct *mm) { struct vm_area_struct *vma; unsigned long usize = 0; + VMA_ITERATOR(vmi, mm, 0); - for (vma = mm->mmap; vma; vma = vma->vm_next) + for_each_vma(vmi, vma) usize += vma->vm_end - vma->vm_start; + return usize; }
@@ -570,6 +572,7 @@ static void flush_user_cache_tlb(struct vm_area_struct *vma, void flush_cache_mm(struct mm_struct *mm) { struct vm_area_struct *vma; + VMA_ITERATOR(vmi, mm, 0); /* Flushing the whole cache on each cpu takes forever on rp3440, etc. So, avoid it if the mm isn't too big. */
@@ -583,13 +586,13 @@ void flush_cache_mm(struct mm_struct *mm) preempt_disable(); if (mm->context == mfsp(3)) { - for (vma = mm->mmap; vma; vma = vma->vm_next) + for_each_vma(vmi, vma) flush_user_cache_tlb(vma, vma->vm_start, vma->vm_end); preempt_enable(); return; } - for (vma = mm->mmap; vma; vma = vma->vm_next) + for_each_vma(vmi, vma) flush_cache_pages(vma, mm, vma->vm_start, vma->vm_end); preempt_enable(); }
--
2.30.2