The patch titled
Subject: mm/memory_failure: constify static mm_walk_ops
has been added to the -mm tree. Its filename is
mm-memory_failure-constify-static-mm_walk_ops.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-memory_failure-constify-static-mm_walk_ops.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-memory_failure-constify-static-mm_walk_ops.patch
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------------------------------------------------------
From: Rikard Falkeborn <rikard.falkeborn@xxxxxxxxx>
Subject: 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@xxxxxxxxx
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@xxxxxxxxx>
Acked-by: Naoya Horiguchi <naoya.horiguchi@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memory-failure.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/memory-failure.c~mm-memory_failure-constify-static-mm_walk_ops
+++ a/mm/memory-failure.c
@@ -675,7 +675,7 @@ static int hwpoison_hugetlb_range(pte_t
#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,
};
_
Patches currently in -mm which might be from rikard.falkeborn@xxxxxxxxx are
mm-memory_failure-constify-static-mm_walk_ops.patch
mm-damon-vaddr-constify-static-mm_walk_ops.patch
const_structscheckpatch-add-a-few-sound-ops-structs.patch
