Commit ba9eb3ce authored by Rikard Falkeborn's avatar Rikard Falkeborn Committed by Linus Torvalds
Browse files

mm/memory_failure: constify static mm_walk_ops 

The only usage of hwp_walk_ops is to pass its address to
walk_page_range() which takes a pointer to const mm_walk_ops as
argument.

Make it const to allow the compiler to put it in read-only memory.

Link: https://lkml.kernel.org/r/20211014075042.17174-3-rikard.falkeborn@gmail.com


Signed-off-by: default avatarRikard Falkeborn <rikard.falkeborn@gmail.com>
Acked-by: default avatarNaoya Horiguchi <naoya.horiguchi@nec.com>
Reviewed-by: default avatarAnshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 477d01fc

mm/memory-failure.c

+1 −1
Original line number Diff line number Diff line
@@ -674,7 +674,7 @@ static int hwpoison_hugetlb_range(pte_t *ptep, unsigned long hmask, 
#define hwpoison_hugetlb_range	NULL

#endif



static struct mm_walk_ops hwp_walk_ops = {

static const struct mm_walk_ops hwp_walk_ops = {

	.pmd_entry = hwpoison_pte_range,

	.hugetlb_entry = hwpoison_hugetlb_range,

};