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authorThomas Zimmermann <tzimmermann@suse.de>2024-07-29 09:35:54 +0200
committerThomas Zimmermann <tzimmermann@suse.de>2024-07-29 09:35:54 +0200
commit0e8655b4e852ef97655648b91ce780384a073ff4 (patch)
tree11052a81da749dda3357f7748bdf93549c8007bf /include/linux/pgalloc_tag.h
parent0c3f3a83c7e8dfaaae4ba8a5b69bd6bc13340d0b (diff)
parentd4ef5d2b7ee0cbb5f2d864716140366a618400d6 (diff)
Merge drm/drm-next into drm-misc-next
Backmerging to get a late RC of v6.10 before moving into v6.11. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'include/linux/pgalloc_tag.h')
-rw-r--r--include/linux/pgalloc_tag.h11
1 files changed, 8 insertions, 3 deletions
diff --git a/include/linux/pgalloc_tag.h b/include/linux/pgalloc_tag.h
index 86ba5d33e43b..9cacadbd61f8 100644
--- a/include/linux/pgalloc_tag.h
+++ b/include/linux/pgalloc_tag.h
@@ -37,6 +37,9 @@ static inline union codetag_ref *get_page_tag_ref(struct page *page)
static inline void put_page_tag_ref(union codetag_ref *ref)
{
+ if (WARN_ON(!ref))
+ return;
+
page_ext_put(page_ext_from_codetag_ref(ref));
}
@@ -102,9 +105,11 @@ static inline struct alloc_tag *pgalloc_tag_get(struct page *page)
union codetag_ref *ref = get_page_tag_ref(page);
alloc_tag_sub_check(ref);
- if (ref && ref->ct)
- tag = ct_to_alloc_tag(ref->ct);
- put_page_tag_ref(ref);
+ if (ref) {
+ if (ref->ct)
+ tag = ct_to_alloc_tag(ref->ct);
+ put_page_tag_ref(ref);
+ }
}
return tag;