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>
This commit is contained in:
parent
3bb4edf24b
commit
a5e924f5f8
@ -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)
|
||||
{
|
||||
|
@ -839,27 +839,8 @@ static int __mem_cgroup_try_charge(struct mm_struct *mm,
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
/**
|
||||
* mem_cgroup_try_charge - get charge of PAGE_SIZE.
|
||||
* @mm: an mm_struct which is charged against. (when *memcg is NULL)
|
||||
* @gfp_mask: gfp_mask for reclaim.
|
||||
* @memcg: a pointer to memory cgroup which is charged against.
|
||||
*
|
||||
* charge against memory cgroup pointed by *memcg. if *memcg == NULL, estimated
|
||||
* memory cgroup from @mm is got and stored in *memcg.
|
||||
*
|
||||
* Returns 0 if success. -ENOMEM at failure.
|
||||
* This call can invoke OOM-Killer.
|
||||
*/
|
||||
|
||||
int mem_cgroup_try_charge(struct mm_struct *mm,
|
||||
gfp_t mask, struct mem_cgroup **memcg)
|
||||
{
|
||||
return __mem_cgroup_try_charge(mm, mask, memcg, true);
|
||||
}
|
||||
|
||||
/*
|
||||
* commit a charge got by mem_cgroup_try_charge() and makes page_cgroup to be
|
||||
* commit a charge got by __mem_cgroup_try_charge() and makes page_cgroup to be
|
||||
* USED state. If already USED, uncharge and return.
|
||||
*/
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user