[PATCH RFC 05/11] mm: convert PTE table entries in ptep_get()
From: Muhammad Usama Anjum <hidden>
Date: 2026-07-27 16:48:22
Also in:
bpf, damon, dri-devel, intel-gfx, linux-arch, linux-fsdevel, linux-mm, linux-perf-users, lkml, xen-devel
Subsystem:
memory management - core, the rest · Maintainers:
Andrew Morton, David Hildenbrand, Linus Torvalds
ptep_get() now accepts a pointer to hw_pte_t storage but must continue to return a logical pte_t value. Add __pte_from_hw() as the conversion hook and apply it in the generic ptep_get() implementation. Signed-off-by: Muhammad Usama Anjum <redacted> --- include/linux/pgtable.h | 2 +- include/linux/pgtable_types.h | 1 + 2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
index dad80d264aac2..3003ac9cd81fe 100644
--- a/include/linux/pgtable.h
+++ b/include/linux/pgtable.h@@ -493,7 +493,7 @@ static inline int pudp_set_access_flags(struct vm_area_struct *vma, #ifndef ptep_get static inline pte_t ptep_get(hw_pte_t *ptep) { - return READ_ONCE(*ptep); + return READ_ONCE(__pte_from_hw(*ptep)); } #endif
diff --git a/include/linux/pgtable_types.h b/include/linux/pgtable_types.h
index ed5dba42a4f8c..61afe27307ec2 100644
--- a/include/linux/pgtable_types.h
+++ b/include/linux/pgtable_types.h@@ -6,6 +6,7 @@ #ifndef __HAVE_ARCH_HW_PTE_T #define hw_pte_t pte_t +#define __pte_from_hw(pte) (pte) #endif #endif /* _LINUX_PGTABLE_TYPES_H */
--
2.47.3