diff options
| author | Rikard Falkeborn <rikard.falkeborn@gmail.com> | 2021-11-05 13:41:01 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-11-06 13:30:38 -0700 |
| commit | ba9eb3cef9e699e259f9ceefdbcd3ee83d3529e2 (patch) | |
| tree | e2906912cd79e32b174963a2eab5e9852fc790c2 /mm/memory-failure.c | |
| parent | 477d01fce8dacb41cae9363136ea56812e8baa59 (diff) | |
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 <rikard.falkeborn@gmail.com>
Acked-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memory-failure.c')
| -rw-r--r-- | mm/memory-failure.c | 2 |
1 files changed, 1 insertions, 1 deletions
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, }; |