The patch titled
memcg: remove mem_cgroup_try_charge
has been added to the -mm tree. Its filename is
memcg-remove-mem_cgroup_try_charge.patch
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------------------------------------------------------
Subject: memcg: remove mem_cgroup_try_charge
From: Daisuke Nishimura <nishimura@xxxxxxxxxxxxxxxxx>
After previous patch, mem_cgroup_try_charge is not used by anyone, so we
can remove it.
Signed-off-by: Daisuke Nishimura <nishimura@xxxxxxxxxxxxxxxxx>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Cc: Balbir Singh <balbir@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/memcontrol.h | 8 --------
mm/memcontrol.c | 21 +--------------------
2 files changed, 1 insertion(+), 28 deletions(-)
diff -puN include/linux/memcontrol.h~memcg-remove-mem_cgroup_try_charge include/linux/memcontrol.h
--- a/include/linux/memcontrol.h~memcg-remove-mem_cgroup_try_charge
+++ a/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,
@@ -135,12 +133,6 @@ static inline int mem_cgroup_cache_charg
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)
{
diff -puN mm/memcontrol.c~memcg-remove-mem_cgroup_try_charge mm/memcontrol.c
--- a/mm/memcontrol.c~memcg-remove-mem_cgroup_try_charge
+++ a/mm/memcontrol.c
@@ -809,27 +809,8 @@ nomem:
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.
*/
_
Patches currently in -mm which might be from nishimura@xxxxxxxxxxxxxxxxx are
cgroups-make-cgroup-config-a-submenu.patch
memcg-introduce-charge-commit-cancel-style-of-functions.patch
memcg-introduce-charge-commit-cancel-style-of-functions-fix.patch
memcg-fix-gfp_mask-of-callers-of-charge.patch
memcg-simple-migration-handling.patch
memcg-do-not-recalculate-section-unnecessarily-in-init_section_page_cgroup.patch
memcg-move-all-acccounts-to-parent-at-rmdir.patch
memcg-handle-swap-caches.patch
memcg-memswap-controller-kconfig.patch
memcg-swap-cgroup-for-remembering-usage.patch
memcg-memswap-controller-core-make-resize-limit-hold-mutex.patch
memcg-memswap-controller-core-swapcache-fixes.patch
memory-cgroup-hierarchical-reclaim-v4-fix-for-hierarchical-reclaim.patch
memcg-avoid-unnecessary-system-wide-oom-killer.patch
memcg-avoid-unnecessary-system-wide-oom-killer-fix.patch
memcg-fix-reclaim-result-checks.patch
memcg-revert-gfp-mask-fix.patch
memcg-check-group-leader-fix.patch
memcg-memoryswap-controller-fix-limit-check.patch
memcg-swapout-refcnt-fix.patch
memcg-hierarchy-avoid-unnecessary-reclaim.patch
inactive_anon_is_low-move-to-vmscan.patch
mm-introduce-zone_reclaim-struct.patch
mm-add-zone-nr_pages-helper-function.patch
mm-make-get_scan_ratio-safe-for-memcg.patch
memcg-add-null-check-to-page_cgroup_zoneinfo.patch
memcg-add-inactive_anon_is_low.patch
memcg-add-mem_cgroup_zone_nr_pages.patch
memcg-add-zone_reclaim_stat.patch
memcg-remove-mem_cgroup_cal_reclaim.patch
memcg-show-reclaim-stat.patch
memcg-rename-scan-global-lru.patch
memcg-protect-prev_priority.patch
memcg-swappiness.patch
memcg-explain-details-and-test-document.patch
memcg-dont-trigger-oom-at-page-migration.patch
memcg-remove-mem_cgroup_try_charge.patch
memcg-avoid-dead-lock-caused-by-race-between-oom-and-cpuset_attach.patch
memcg-change-try_to_free_pages-to-hierarchical_reclaim.patch
--
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