Messages in this thread Patch in this message | | | From | Rikard Falkeborn <> | Subject | [PATCH 2/2] mm/memory_failure: constify static mm_walk_ops | Date | Thu, 14 Oct 2021 09:50:42 +0200 |
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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.
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com> --- 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 92eeb317adf4..8d5faf347ed1 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, }; -- 2.33.0
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