The patch titled
Subject: mm-vmscan-add-shrinker_info_protected-helper-fix
has been added to the -mm tree. Its filename is
mm-vmscan-add-shrinker_info_protected-helper-fix.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-vmscan-add-shrinker_info_protected-helper-fix.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-vmscan-add-shrinker_info_protected-helper-fix.patch
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The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: mm-vmscan-add-shrinker_info_protected-helper-fix
retain rcu_dereference_protected() in free_shrinker_info(), per Hugh
Cc: Dave Chinner <david@xxxxxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Roman Gushchin <guro@xxxxxx>
Cc: Shakeel Butt <shakeelb@xxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Yang Shi <shy828301@xxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmscan.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/vmscan.c~mm-vmscan-add-shrinker_info_protected-helper-fix
+++ a/mm/vmscan.c
@@ -239,7 +239,7 @@ void free_shrinker_info(struct mem_cgrou
for_each_node(nid) {
pn = memcg->nodeinfo[nid];
- info = shrinker_info_protected(memcg, nid);
+ info = rcu_dereference_protected(pn->shrinker_info, true);
kvfree(info);
rcu_assign_pointer(pn->shrinker_info, NULL);
}
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
kasan-remove-redundant-config-option-fix.patch
mm-gup-check-page-posion-status-for-coredump-fix.patch
mm.patch
mm-memcontrol-switch-to-rstat-fix.patch
mm-vmscan-add-shrinker_info_protected-helper-fix.patch
mmmemory_hotplug-allocate-memmap-from-the-added-memory-range-fix.patch
linux-next-rejects.patch
linux-next-git-rejects.patch
kernel-forkc-export-kernel_thread-to-modules.patch
