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SubjectRe: [PATCH -V6 12/14] memcg: move HugeTLB resource count to parent cgroup on memcg removal
On Mon, 16 Apr 2012 16:14:49 +0530
"Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com> wrote:

> This add support for memcg removal with HugeTLB resource usage.

include/linux/memcontrol.h:504: warning: 'struct cgroup' declared inside parameter list
include/linux/memcontrol.h:504: warning: its scope is only this definition or declaration, which is probably not what you want
include/linux/memcontrol.h:509: warning: 'struct cgroup' declared inside parameter list

Documentation/SubmitChecklist, section 2. Please do these things -
what you have done here is to send untested code, for some
configuration options.


I'll try this:

include/linux/hugetlb.h | 6 +-----
include/linux/memcontrol.h | 11 -----------
2 files changed, 1 insertion(+), 16 deletions(-)

--- a/include/linux/memcontrol.h~memcg-move-hugetlb-resource-count-to-parent-cgroup-on-memcg-removal-fix
+++ a/include/linux/memcontrol.h
@@ -499,17 +499,6 @@ static inline int mem_cgroup_hugetlb_fil
return 0;
}

-static inline int
-mem_cgroup_move_hugetlb_parent(int idx, struct cgroup *cgroup,
- struct page *page)
-{
- return 0;
-}
-
-static inline bool mem_cgroup_have_hugetlb_usage(struct cgroup *cgroup)
-{
- return 0;
-}
#endif /* CONFIG_MEM_RES_CTLR_HUGETLB */
#endif /* _LINUX_MEMCONTROL_H */

--- a/include/linux/hugetlb.h~memcg-move-hugetlb-resource-count-to-parent-cgroup-on-memcg-removal-fix
+++ a/include/linux/hugetlb.h
@@ -337,10 +337,6 @@ static inline unsigned int pages_per_hug

#ifdef CONFIG_MEM_RES_CTLR_HUGETLB
extern int hugetlb_force_memcg_empty(struct cgroup *cgroup);
-#else
-static inline int hugetlb_force_memcg_empty(struct cgroup *cgroup)
-{
- return 0;
-}
#endif
+
#endif /* _LINUX_HUGETLB_H */
_

We shouldn't be calling these functions if CONFIG_MEM_RES_CTLR_HUGETLB=n?


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