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* + mm-damon-vaddr-constify-static-mm_walk_ops.patch added to -mm tree
@ 2021-10-15 21:42 akpm
  0 siblings, 0 replies; only message in thread
From: akpm @ 2021-10-15 21:42 UTC (permalink / raw)
  To: mm-commits, rikard.falkeborn, sj


The patch titled
     Subject: mm/damon/vaddr: constify static mm_walk_ops
has been added to the -mm tree.  Its filename is
     mm-damon-vaddr-constify-static-mm_walk_ops.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/mm-damon-vaddr-constify-static-mm_walk_ops.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/mm-damon-vaddr-constify-static-mm_walk_ops.patch

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------------------------------------------------------
From: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Subject: mm/damon/vaddr: constify static mm_walk_ops

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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/damon/vaddr.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/mm/damon/vaddr.c~mm-damon-vaddr-constify-static-mm_walk_ops
+++ a/mm/damon/vaddr.c
@@ -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,
 };
 
_

Patches currently in -mm which might be from rikard.falkeborn@gmail.com 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


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2021-10-15 21:42 + mm-damon-vaddr-constify-static-mm_walk_ops.patch added to -mm tree akpm

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