From ba9eb3cef9e699e259f9ceefdbcd3ee83d3529e2 Mon Sep 17 00:00:00 2001 From: Rikard Falkeborn Date: Fri, 5 Nov 2021 13:41:01 -0700 Subject: [PATCH] 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: Rikard Falkeborn Acked-by: Naoya Horiguchi Reviewed-by: Anshuman Khandual Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/memory-failure.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 8376cfe0efce..54a5d28ea601 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -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, }; -- 2.20.1