The patch titled
memcg-add-memcg-sanity-checks-at-allocating-and-freeing-pages-update
has been added to the -mm tree. Its filename is
memcg-add-memcg-sanity-checks-at-allocating-and-freeing-pages-update.patch
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------------------------------------------------------
Subject: memcg-add-memcg-sanity-checks-at-allocating-and-freeing-pages-update
From: Daisuke Nishimura <nishimura@xxxxxxxxxxxxxxxxx>
try to show the path name of the cgroup too
Signed-off-by: Daisuke Nishimura <nishimura@xxxxxxxxxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Cc: Balbir Singh <balbir@xxxxxxxxxxxxxxxxxx>
Cc: Minchan Kim <minchan.kim@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memcontrol.c | 20 ++++++++++++++++++--
1 file changed, 18 insertions(+), 2 deletions(-)
diff -puN mm/memcontrol.c~memcg-add-memcg-sanity-checks-at-allocating-and-freeing-pages-update mm/memcontrol.c
--- a/mm/memcontrol.c~memcg-add-memcg-sanity-checks-at-allocating-and-freeing-pages-update
+++ a/mm/memcontrol.c
@@ -3044,9 +3044,25 @@ void mem_cgroup_print_bad_page(struct pa
struct page_cgroup *pc;
pc = lookup_page_cgroup_used(page);
- if (pc)
- printk(KERN_ALERT "pc:%p pc->flags:%ld pc->mem_cgroup:%p\n",
+ if (pc) {
+ int ret = -1;
+ char *path;
+
+ printk(KERN_ALERT "pc:%p pc->flags:%ld pc->mem_cgroup:%p",
pc, pc->flags, pc->mem_cgroup);
+
+ path = kmalloc(PATH_MAX, GFP_KERNEL);
+ if (path) {
+ rcu_read_lock();
+ ret = cgroup_path(pc->mem_cgroup->css.cgroup,
+ path, PATH_MAX);
+ rcu_read_unlock();
+ }
+
+ printk(KERN_ALERT "(%s)\n",
+ (ret < 0) ? "cannot get the path" : path);
+ kfree(path);
+ }
}
#endif
_
Patches currently in -mm which might be from nishimura@xxxxxxxxxxxxxxxxx are
origin.patch
memsw-remove-noswapaccount-kernel-parameter.patch
memcg-fix-ugly-initialization-of-return-value-is-in-caller.patch
memcg-soft-limit-reclaim-should-end-at-limit-not-below.patch
memcg-simplify-the-way-memory-limits-are-checked.patch
memcg-remove-unused-page-flag-bitfield-defines.patch
memcg-remove-impossible-conditional-when-committing.patch
memcg-remove-null-check-from-lookup_page_cgroup-result.patch
memcg-add-memcg-sanity-checks-at-allocating-and-freeing-pages.patch
memcg-add-memcg-sanity-checks-at-allocating-and-freeing-pages-update.patch
memcg-no-uncharged-pages-reach-page_cgroup_zoneinfo.patch
memcg-change-page_cgroup_zoneinfo-signature.patch
memcg-fold-__mem_cgroup_move_account-into-caller.patch
memcg-condense-page_cgroup-to-page-lookup-points.patch
memcg-remove-direct-page_cgroup-to-page-pointer.patch
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