The patch titled
Subject: kmemleak-avoid-rcu-stalls-when-freeing-metadata-for-per-cpu-pointers-v2
has been added to the -mm mm-unstable branch. Its filename is
kmemleak-avoid-rcu-stalls-when-freeing-metadata-for-per-cpu-pointers-v2.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/kmemleak-avoid-rcu-stalls-when-freeing-metadata-for-per-cpu-pointers-v2.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Catalin Marinas <catalin.marinas@xxxxxxx>
Subject: kmemleak-avoid-rcu-stalls-when-freeing-metadata-for-per-cpu-pointers-v2
Date: Wed, 6 Dec 2023 11:44:14 +0000
update the comment to include the *_percpu() callbacks, not just the *_phys()
Link: https://lkml.kernel.org/r/20231206114414.2085824-1-catalin.marinas@xxxxxxx
Signed-off-by: Catalin Marinas <catalin.marinas@xxxxxxx>
Reported-by: Waiman Long <longman@xxxxxxxxxx>
Reviewed-by: Waiman Long <longman@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20231127194153.289626-1-longman@xxxxxxxxxx
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/kmemleak.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/mm/kmemleak.c~kmemleak-avoid-rcu-stalls-when-freeing-metadata-for-per-cpu-pointers-v2
+++ a/mm/kmemleak.c
@@ -21,8 +21,8 @@
* red black trees used to look-up metadata based on a pointer to the
* corresponding memory block. The kmemleak_object structures are added to
* the object_list and the object tree root in the create_object() function
- * called from the kmemleak_alloc() (or kmemleak_alloc_phys()) callback and
- * removed in delete_object() called from the kmemleak_free() callback
+ * called from the kmemleak_alloc{,_phys,_percpu}() callback and removed in
+ * delete_object() called from the kmemleak_free{,_phys,_percpu}() callback
* - kmemleak_object.lock (raw_spinlock_t): protects a kmemleak_object.
* Accesses to the metadata (e.g. count) are protected by this lock. Note
* that some members of this structure may be protected by other means
_
Patches currently in -mm which might be from catalin.marinas@xxxxxxx are
kmemleak-avoid-rcu-stalls-when-freeing-metadata-for-per-cpu-pointers.patch
kmemleak-avoid-rcu-stalls-when-freeing-metadata-for-per-cpu-pointers-v2.patch
