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UPSTREAM: mm/damon/vaddr: constify static mm_walk_ops

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The only usage of these structs is to pass their addresses to
walk_page_range(), which takes a pointer to const mm_walk_ops as
argument.  Make them const to allow the compiler to put them in
read-only memory.

Link: https://lkml.kernel.org/r/20211014075042.17174-2-rikard.falkeborn@gmail.com
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
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>

(cherry picked from commit 199b50f4c9)

Bug: 228223814
Signed-off-by: Hailong Tu <tuhailong@oppo.com>
Change-Id: Ib72d1a17a17377357a53b80cbafc13c456e71683
This commit is contained in:
Rikard Falkeborn
2021-11-05 13:47:07 -07:00
committed by Hailong Tu
parent 932c8c61e1
commit 1d68b96800
1 changed files with 2 additions and 2 deletions
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4
mm/damon/vaddr.c
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@@ -394,7 +394,7 @@ out:
return 0;
}
static struct mm_walk_ops damon_mkold_ops = {
static const struct mm_walk_ops damon_mkold_ops = {
.pmd_entry = damon_mkold_pmd_entry,
};
@@ -490,7 +490,7 @@ out:
return 0;
}
static struct mm_walk_ops damon_young_ops = {
static const struct mm_walk_ops damon_young_ops = {
.pmd_entry = damon_young_pmd_entry,
};