[PATCH] 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
---
Documentation/cgroups/memcg_test.txt | 4 ++--
include/linux/memcontrol.h | 8
mm/filemap.c | 2 +-
mm/huge_memory.c | 8
mm/memcontrol.c | 4 ++--
mm/memory.c | 6 +++---
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 ce94a83a7d9a..80ac454704b8 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 abd0113b6620..b4e9c196949a 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 *);
@@ -234,13 +234,13 @@ 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 2d8af8796fed..a2e7b8ed7b74 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -562,7 +562,7 @@ 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 bbf3b3db8f27..335e2f59853b 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;
}
[PATCH] 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 mho...@suse.cz
---
Documentation/cgroups/memcg_test.txt | 4 ++--
include/linux/memcontrol.h | 8
mm/filemap.c | 2 +-
mm/huge_memory.c | 8
mm/memcontrol.c | 4 ++--
mm/memory.c | 6 +++---
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 ce94a83a7d9a..80ac454704b8 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 abd0113b6620..b4e9c196949a 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 *);
@@ -234,13 +234,13 @@ 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 2d8af8796fed..a2e7b8ed7b74 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -562,7 +562,7 @@ 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 bbf3b3db8f27..335e2f59853b 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
