diff options
| author | Johannes Weiner <hannes@cmpxchg.org> | 2014-12-10 15:44:55 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-10 17:41:09 -0800 |
| commit | 5d1ea48bdde67898e87d6d8f511fd097fa64c749 (patch) | |
| tree | 2936b8ed4b948ffdf655fd7b8fa71d68069f8bc4 | |
| parent | 1306a85aed3ec3db98945aafb7dfbe5648a1203c (diff) | |
mm: page_cgroup: rename file to mm/swap_cgroup.c
Now that the external page_cgroup data structure and its lookup is gone,
the only code remaining in there is swap slot accounting.
Rename it and move the conditional compilation into mm/Makefile.
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Michal Hocko <mhocko@suse.cz>
Acked-by: Vladimir Davydov <vdavydov@parallels.com>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Tejun Heo <tj@kernel.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | MAINTAINERS | 2 | ||||
| -rw-r--r-- | include/linux/swap_cgroup.h (renamed from include/linux/page_cgroup.h) | 8 | ||||
| -rw-r--r-- | mm/Makefile | 3 | ||||
| -rw-r--r-- | mm/memcontrol.c | 2 | ||||
| -rw-r--r-- | mm/swap_cgroup.c (renamed from mm/page_cgroup.c) | 9 | ||||
| -rw-r--r-- | mm/swap_state.c | 1 | ||||
| -rw-r--r-- | mm/swapfile.c | 2 |
7 files changed, 13 insertions, 14 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 0d6469a2cf70..0aedd3e1804b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2606,7 +2606,7 @@ L: cgroups@vger.kernel.org L: linux-mm@kvack.org S: Maintained F: mm/memcontrol.c -F: mm/page_cgroup.c +F: mm/swap_cgroup.c CORETEMP HARDWARE MONITORING DRIVER M: Fenghua Yu <fenghua.yu@intel.com> diff --git a/include/linux/page_cgroup.h b/include/linux/swap_cgroup.h index 65be35785c86..145306bdc92f 100644 --- a/include/linux/page_cgroup.h +++ b/include/linux/swap_cgroup.h @@ -1,15 +1,17 @@ -#ifndef __LINUX_PAGE_CGROUP_H -#define __LINUX_PAGE_CGROUP_H +#ifndef __LINUX_SWAP_CGROUP_H +#define __LINUX_SWAP_CGROUP_H #include <linux/swap.h> #ifdef CONFIG_MEMCG_SWAP + extern unsigned short swap_cgroup_cmpxchg(swp_entry_t ent, unsigned short old, unsigned short new); extern unsigned short swap_cgroup_record(swp_entry_t ent, unsigned short id); extern unsigned short lookup_swap_cgroup_id(swp_entry_t ent); extern int swap_cgroup_swapon(int type, unsigned long max_pages); extern void swap_cgroup_swapoff(int type); + #else static inline @@ -37,4 +39,4 @@ static inline void swap_cgroup_swapoff(int type) #endif /* CONFIG_MEMCG_SWAP */ -#endif /* __LINUX_PAGE_CGROUP_H */ +#endif /* __LINUX_SWAP_CGROUP_H */ diff --git a/mm/Makefile b/mm/Makefile index 6d9f40e922f7..b3c6ce932c64 100644 --- a/mm/Makefile +++ b/mm/Makefile @@ -56,7 +56,8 @@ obj-$(CONFIG_MIGRATION) += migrate.o obj-$(CONFIG_QUICKLIST) += quicklist.o obj-$(CONFIG_TRANSPARENT_HUGEPAGE) += huge_memory.o obj-$(CONFIG_PAGE_COUNTER) += page_counter.o -obj-$(CONFIG_MEMCG) += memcontrol.o page_cgroup.o vmpressure.o +obj-$(CONFIG_MEMCG) += memcontrol.o vmpressure.o +obj-$(CONFIG_MEMCG_SWAP) += swap_cgroup.o obj-$(CONFIG_CGROUP_HUGETLB) += hugetlb_cgroup.o obj-$(CONFIG_MEMORY_FAILURE) += memory-failure.o obj-$(CONFIG_HWPOISON_INJECT) += hwpoison-inject.o diff --git a/mm/memcontrol.c b/mm/memcontrol.c index b864067791dc..ab270e34ba3e 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -51,7 +51,7 @@ #include <linux/seq_file.h> #include <linux/vmpressure.h> #include <linux/mm_inline.h> -#include <linux/page_cgroup.h> +#include <linux/swap_cgroup.h> #include <linux/cpu.h> #include <linux/oom.h> #include <linux/lockdep.h> diff --git a/mm/page_cgroup.c b/mm/swap_cgroup.c index f0f31c1d4d0c..b5f7f24b8dd1 100644 --- a/mm/page_cgroup.c +++ b/mm/swap_cgroup.c @@ -1,9 +1,8 @@ -#include <linux/mm.h> -#include <linux/page_cgroup.h> +#include <linux/swap_cgroup.h> #include <linux/vmalloc.h> -#include <linux/swapops.h> +#include <linux/mm.h> -#ifdef CONFIG_MEMCG_SWAP +#include <linux/swapops.h> /* depends on mm.h include */ static DEFINE_MUTEX(swap_cgroup_mutex); struct swap_cgroup_ctrl { @@ -207,5 +206,3 @@ void swap_cgroup_swapoff(int type) vfree(map); } } - -#endif diff --git a/mm/swap_state.c b/mm/swap_state.c index 154444918685..9711342987a0 100644 --- a/mm/swap_state.c +++ b/mm/swap_state.c @@ -17,7 +17,6 @@ #include <linux/blkdev.h> #include <linux/pagevec.h> #include <linux/migrate.h> -#include <linux/page_cgroup.h> #include <asm/pgtable.h> diff --git a/mm/swapfile.c b/mm/swapfile.c index 8798b2e0ac59..63f55ccb9b26 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -38,7 +38,7 @@ #include <asm/pgtable.h> #include <asm/tlbflush.h> #include <linux/swapops.h> -#include <linux/page_cgroup.h> +#include <linux/swap_cgroup.h> static bool swap_count_continued(struct swap_info_struct *, pgoff_t, unsigned char); |