The patch titled
memcgroup: fix spurious EBUSY on memory cgroup removal
has been removed from the -mm tree. Its filename was
memcgroup-fix-spurious-ebusy-on-memory-cgroup-removal.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: memcgroup: fix spurious EBUSY on memory cgroup removal
From: YAMAMOTO Takashi <yamamoto@xxxxxxxxxxxxx>
Call mm_free_cgroup earlier. Otherwise a reference due to lazy mm switching
can prevent cgroup removal.
Signed-off-by: YAMAMOTO Takashi <yamamoto@xxxxxxxxxxxxx>
Acked-by: Balbir Singh <balbir@xxxxxxxxxxxxxxxxxx>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Cc: Paul Menage <menage@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/fork.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN kernel/fork.c~memcgroup-fix-spurious-ebusy-on-memory-cgroup-removal kernel/fork.c
--- a/kernel/fork.c~memcgroup-fix-spurious-ebusy-on-memory-cgroup-removal
+++ a/kernel/fork.c
@@ -394,7 +394,6 @@ void __mmdrop(struct mm_struct *mm)
{
BUG_ON(mm == &init_mm);
mm_free_pgd(mm);
- mm_free_cgroup(mm);
destroy_context(mm);
free_mm(mm);
}
@@ -416,6 +415,7 @@ void mmput(struct mm_struct *mm)
spin_unlock(&mmlist_lock);
}
put_swap_token(mm);
+ mm_free_cgroup(mm);
mmdrop(mm);
}
}
_
Patches currently in -mm which might be from yamamoto@xxxxxxxxxxxxx are
origin.patch
cgroup-api-files-rename-read-write_uint-methods-to-read_write_u64.patch
cgroup-api-files-add-res_counter_read_u64.patch
cgroup-api-files-use-read_u64-in-memory-controller.patch
cgroup-api-files-strip-all-trailing-whitespace-in-cgroup_write_u64.patch
cgroup-api-files-update-cpusets-to-use-cgroup-structured-file-api.patch
cgroup-api-files-update-cpusets-to-use-cgroup-structured-file-api-fix.patch
cgroup-api-files-add-cgroup-map-data-type.patch
cgroup-api-files-use-cgroup-map-for-memcontrol-stats-file.patch
cgroup-api-files-drop-mem_cgroup_force_empty.patch
cgroup-api-files-move-releasable-to-cgroup_debug-subsystem.patch
cgroup-api-files-make-cgroup_debug-default-to-off.patch
cgroups-add-cgroup-support-for-enabling-controllers-at-boot-time.patch
cgroups-add-cgroup-support-for-enabling-controllers-at-boot-time-fix-boot-option-parsing.patch
memory-controller-make-memory-resource-control-aware-of-boot-options.patch
memcgroup-move-memory-controller-allocations-to-their-own-slabs.patch
procfs-task-exe-symlink-fix-3.patch
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