diff options
author | Michal Hocko <mhocko@suse.cz> | 2014-04-07 22:37:46 (GMT) |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-07 23:35:57 (GMT) |
commit | d715ae08f2ff87508a081c4df78061bf4f7211d6 (patch) | |
tree | d81db4fd7c18cd7c549ab638ebeff1d07437d9a5 | |
parent | 6d1fdc48938cd51a3964778d78f27cb26c8eb55d (diff) | |
download | linux-d715ae08f2ff87508a081c4df78061bf4f7211d6.tar.xz |
memcg: rename high level charging functions
mem_cgroup_newpage_charge is used only for charging anonymous memory so
it is better to rename it to mem_cgroup_charge_anon.
mem_cgroup_cache_charge is used for file backed memory so rename it to
mem_cgroup_charge_file.
Signed-off-by: Michal Hocko <mhocko@suse.cz>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r-- | Documentation/cgroups/memcg_test.txt | 4 | ||||
-rw-r--r-- | include/linux/memcontrol.h | 8 | ||||
-rw-r--r-- | mm/filemap.c | 2 | ||||
-rw-r--r-- | mm/huge_memory.c | 8 | ||||
-rw-r--r-- | mm/memcontrol.c | 4 | ||||
-rw-r--r-- | mm/memory.c | 6 | ||||
-rw-r--r-- | mm/shmem.c | 6 |
7 files changed, 19 insertions, 19 deletions
diff --git a/Documentation/cgroups/memcg_test.txt b/Documentation/cgroups/memcg_test.txt index ce94a83..80ac454 100644 --- a/Documentation/cgroups/memcg_test.txt +++ b/Documentation/cgroups/memcg_test.txt @@ -24,7 +24,7 @@ Please note that implementation details can be changed. a page/swp_entry may be charged (usage += PAGE_SIZE) at - mem_cgroup_newpage_charge() + mem_cgroup_charge_anon() Called at new page fault and Copy-On-Write. mem_cgroup_try_charge_swapin() @@ -32,7 +32,7 @@ Please note that implementation details can be changed. Followed by charge-commit-cancel protocol. (With swap accounting) At commit, a charge recorded in swap_cgroup is removed. - mem_cgroup_cache_charge() + mem_cgroup_charge_file() Called at add_to_page_cache() mem_cgroup_cache_charge_swapin() diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 134636f..96f3fc8 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -65,7 +65,7 @@ struct mem_cgroup_reclaim_cookie { * (Of course, if memcg does memory allocation in future, GFP_KERNEL is sane.) */ -extern int mem_cgroup_newpage_charge(struct page *page, struct mm_struct *mm, +extern int mem_cgroup_charge_anon(struct page *page, struct mm_struct *mm, gfp_t gfp_mask); /* for swap handling */ extern int mem_cgroup_try_charge_swapin(struct mm_struct *mm, @@ -74,7 +74,7 @@ extern void mem_cgroup_commit_charge_swapin(struct page *page, struct mem_cgroup *memcg); extern void mem_cgroup_cancel_charge_swapin(struct mem_cgroup *memcg); -extern int mem_cgroup_cache_charge(struct page *page, struct mm_struct *mm, +extern int mem_cgroup_charge_file(struct page *page, struct mm_struct *mm, gfp_t gfp_mask); struct lruvec *mem_cgroup_zone_lruvec(struct zone *, struct mem_cgroup *); @@ -233,13 +233,13 @@ void mem_cgroup_print_bad_page(struct page *page); #else /* CONFIG_MEMCG */ struct mem_cgroup; -static inline int mem_cgroup_newpage_charge(struct page *page, +static inline int mem_cgroup_charge_anon(struct page *page, struct mm_struct *mm, gfp_t gfp_mask) { return 0; } -static inline int mem_cgroup_cache_charge(struct page *page, +static inline int mem_cgroup_charge_file(struct page *page, struct mm_struct *mm, gfp_t gfp_mask) { return 0; diff --git a/mm/filemap.c b/mm/filemap.c index b952d99..27ebc0c 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -563,7 +563,7 @@ static int __add_to_page_cache_locked(struct page *page, VM_BUG_ON_PAGE(!PageLocked(page), page); VM_BUG_ON_PAGE(PageSwapBacked(page), page); - error = mem_cgroup_cache_charge(page, current->mm, + error = mem_cgroup_charge_file(page, current->mm, gfp_mask & GFP_RECLAIM_MASK); if (error) return error; diff --git a/mm/huge_memory.c b/mm/huge_memory.c index a2f4981..64635f5 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -827,7 +827,7 @@ int do_huge_pmd_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma, count_vm_event(THP_FAULT_FALLBACK); return VM_FAULT_FALLBACK; } - if (unlikely(mem_cgroup_newpage_charge(page, mm, GFP_KERNEL))) { + if (unlikely(mem_cgroup_charge_anon(page, mm, GFP_KERNEL))) { put_page(page); count_vm_event(THP_FAULT_FALLBACK); return VM_FAULT_FALLBACK; @@ -968,7 +968,7 @@ static int do_huge_pmd_wp_page_fallback(struct mm_struct *mm, __GFP_OTHER_NODE, vma, address, page_to_nid(page)); if (unlikely(!pages[i] || - mem_cgroup_newpage_charge(pages[i], mm, + mem_cgroup_charge_anon(pages[i], mm, GFP_KERNEL))) { if (pages[i]) put_page(pages[i]); @@ -1101,7 +1101,7 @@ alloc: goto out; } - if (unlikely(mem_cgroup_newpage_charge(new_page, mm, GFP_KERNEL))) { + if (unlikely(mem_cgroup_charge_anon(new_page, mm, GFP_KERNEL))) { put_page(new_page); if (page) { split_huge_page(page); @@ -2359,7 +2359,7 @@ static void collapse_huge_page(struct mm_struct *mm, if (!new_page) return; - if (unlikely(mem_cgroup_newpage_charge(new_page, mm, GFP_KERNEL))) + if (unlikely(mem_cgroup_charge_anon(new_page, mm, GFP_KERNEL))) return; /* diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 038b037..e33b1d0 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -3818,7 +3818,7 @@ out: return ret; } -int mem_cgroup_newpage_charge(struct page *page, +int mem_cgroup_charge_anon(struct page *page, struct mm_struct *mm, gfp_t gfp_mask) { unsigned int nr_pages = 1; @@ -3954,7 +3954,7 @@ void mem_cgroup_commit_charge_swapin(struct page *page, MEM_CGROUP_CHARGE_TYPE_ANON); } -int mem_cgroup_cache_charge(struct page *page, struct mm_struct *mm, +int mem_cgroup_charge_file(struct page *page, struct mm_struct *mm, gfp_t gfp_mask) { enum charge_type type = MEM_CGROUP_CHARGE_TYPE_CACHE; diff --git a/mm/memory.c b/mm/memory.c index 1b88da5..854e402 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -2828,7 +2828,7 @@ gotten: } __SetPageUptodate(new_page); - if (mem_cgroup_newpage_charge(new_page, mm, GFP_KERNEL)) + if (mem_cgroup_charge_anon(new_page, mm, GFP_KERNEL)) goto oom_free_new; mmun_start = address & PAGE_MASK; @@ -3281,7 +3281,7 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma, */ __SetPageUptodate(page); - if (mem_cgroup_newpage_charge(page, mm, GFP_KERNEL)) + if (mem_cgroup_charge_anon(page, mm, GFP_KERNEL)) goto oom_free_page; entry = mk_pte(page, vma->vm_page_prot); @@ -3537,7 +3537,7 @@ static int do_cow_fault(struct mm_struct *mm, struct vm_area_struct *vma, if (!new_page) return VM_FAULT_OOM; - if (mem_cgroup_newpage_charge(new_page, mm, GFP_KERNEL)) { + if (mem_cgroup_charge_anon(new_page, mm, GFP_KERNEL)) { page_cache_release(new_page); return VM_FAULT_OOM; } @@ -683,7 +683,7 @@ int shmem_unuse(swp_entry_t swap, struct page *page) * the shmem_swaplist_mutex which might hold up shmem_writepage(). * Charged back to the user (not to caller) when swap account is used. */ - error = mem_cgroup_cache_charge(page, current->mm, GFP_KERNEL); + error = mem_cgroup_charge_file(page, current->mm, GFP_KERNEL); if (error) goto out; /* No radix_tree_preload: swap entry keeps a place for page in tree */ @@ -1080,7 +1080,7 @@ repeat: goto failed; } - error = mem_cgroup_cache_charge(page, current->mm, + error = mem_cgroup_charge_file(page, current->mm, gfp & GFP_RECLAIM_MASK); if (!error) { error = shmem_add_to_page_cache(page, mapping, index, @@ -1134,7 +1134,7 @@ repeat: SetPageSwapBacked(page); __set_page_locked(page); - error = mem_cgroup_cache_charge(page, current->mm, + error = mem_cgroup_charge_file(page, current->mm, gfp & GFP_RECLAIM_MASK); if (error) goto decused; |