memcg: remove mem_cgroup_try_charge

After previous patch, mem_cgroup_try_charge is not used by anyone, so we
can remove it.

Signed-off-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 8 deletions

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 056cf82c0e86..8ae6ece8c962 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -40,8 +40,6 @@ struct mm_struct;
 extern int mem_cgroup_newpage_charge(struct page *page, struct mm_struct *mm,
                                 gfp_t gfp_mask);
 /* for swap handling */
-extern int mem_cgroup_try_charge(struct mm_struct *mm,
-                gfp_t gfp_mask, struct mem_cgroup **ptr);
 extern int mem_cgroup_try_charge_swapin(struct mm_struct *mm,
                 struct page *page, gfp_t mask, struct mem_cgroup **ptr);
 extern void mem_cgroup_commit_charge_swapin(struct page *page,
@@ -134,12 +132,6 @@ static inline int mem_cgroup_cache_charge(struct page *page,
         return 0;
 }
 
-static inline int mem_cgroup_try_charge(struct mm_struct *mm,
-                        gfp_t gfp_mask, struct mem_cgroup **ptr)
-{
-        return 0;
-}
-
 static inline int mem_cgroup_try_charge_swapin(struct mm_struct *mm,
                 struct page *page, gfp_t gfp_mask, struct mem_cgroup **ptr)
 {