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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-08-28 17:34:51 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-08-28 17:34:51 +0300
commit2957975756291d8dbf4f744dbe68278f319b7de7 (patch)
tree168367a320bd8d715cea89f6053b14f87bc7735b /mm/damon
parentbad0d7a6a7d61f129b9ebffc43acd2056bfb4def (diff)
parentbe15dab9a451155bdf3f5278608fe8dc67e07cc1 (diff)
downloadlinux-rolling-stable.tar.xz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/damon')
-rw-r--r--mm/damon/core.c15
-rw-r--r--mm/damon/paddr.c4
2 files changed, 18 insertions, 1 deletions
diff --git a/mm/damon/core.c b/mm/damon/core.c
index d9c4a93b2450..8ead13792f04 100644
--- a/mm/damon/core.c
+++ b/mm/damon/core.c
@@ -843,6 +843,18 @@ static struct damos_filter *damos_nth_filter(int n, struct damos *s)
return NULL;
}
+static struct damos_filter *damos_nth_ops_filter(int n, struct damos *s)
+{
+ struct damos_filter *filter;
+ int i = 0;
+
+ damos_for_each_ops_filter(filter, s) {
+ if (i++ == n)
+ return filter;
+ }
+ return NULL;
+}
+
static void damos_commit_filter_arg(
struct damos_filter *dst, struct damos_filter *src)
{
@@ -869,6 +881,7 @@ static void damos_commit_filter(
{
dst->type = src->type;
dst->matching = src->matching;
+ dst->allow = src->allow;
damos_commit_filter_arg(dst, src);
}
@@ -906,7 +919,7 @@ static int damos_commit_ops_filters(struct damos *dst, struct damos *src)
int i = 0, j = 0;
damos_for_each_ops_filter_safe(dst_filter, next, dst) {
- src_filter = damos_nth_filter(i++, src);
+ src_filter = damos_nth_ops_filter(i++, src);
if (src_filter)
damos_commit_filter(dst_filter, src_filter);
else
diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c
index 4102a8c5f992..578546ef74a0 100644
--- a/mm/damon/paddr.c
+++ b/mm/damon/paddr.c
@@ -476,6 +476,10 @@ static unsigned long damon_pa_migrate_pages(struct list_head *folio_list,
if (list_empty(folio_list))
return nr_migrated;
+ if (target_nid < 0 || target_nid >= MAX_NUMNODES ||
+ !node_state(target_nid, N_MEMORY))
+ return nr_migrated;
+
noreclaim_flag = memalloc_noreclaim_save();
nid = folio_nid(lru_to_folio(folio_list));