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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-06-11 01:58:01 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-06-11 01:58:01 -0700 |
| commit | 4894e4aca82aca927d0404ce61f021f790de4b1e (patch) | |
| tree | bbe0d083829f5858295298f188d885367cf4b1f6 /mm/memcontrol.c | |
| parent | 05e882f890038c702a4f15d385135d03cf74ad48 (diff) | |
| parent | 07a2039b8eb0af4ff464efd3dfd95de5c02648c6 (diff) | |
| download | linux-4894e4aca82aca927d0404ce61f021f790de4b1e.tar.gz | |
Merge commit 'v2.6.30' into next
Diffstat (limited to 'mm/memcontrol.c')
| -rw-r--r-- | mm/memcontrol.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 01c2d8f14685..78eb8552818b 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -314,14 +314,6 @@ static struct mem_cgroup *try_get_mem_cgroup_from_mm(struct mm_struct *mm) return mem; } -static bool mem_cgroup_is_obsolete(struct mem_cgroup *mem) -{ - if (!mem) - return true; - return css_is_removed(&mem->css); -} - - /* * Call callback function against all cgroup under hierarchy tree. */ @@ -932,7 +924,7 @@ static int __mem_cgroup_try_charge(struct mm_struct *mm, if (unlikely(!mem)) return 0; - VM_BUG_ON(!mem || mem_cgroup_is_obsolete(mem)); + VM_BUG_ON(css_is_removed(&mem->css)); while (1) { int ret; @@ -1488,8 +1480,9 @@ void mem_cgroup_uncharge_cache_page(struct page *page) __mem_cgroup_uncharge_common(page, MEM_CGROUP_CHARGE_TYPE_CACHE); } +#ifdef CONFIG_SWAP /* - * called from __delete_from_swap_cache() and drop "page" account. + * called after __delete_from_swap_cache() and drop "page" account. * memcg information is recorded to swap_cgroup of "ent" */ void mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent) @@ -1506,6 +1499,7 @@ void mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent) if (memcg) css_put(&memcg->css); } +#endif #ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP /* |