diff options
| -rw-r--r-- | include/linux/memcontrol.h | 4 | ||||
| -rw-r--r-- | mm/memcontrol.c | 21 | ||||
| -rw-r--r-- | mm/rmap.c | 4 |
3 files changed, 13 insertions, 16 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 91300c9..0b46c20 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -122,7 +122,7 @@ static inline bool mem_cgroup_disabled(void) } extern bool mem_cgroup_oom_called(struct task_struct *task); -void mem_cgroup_update_mapped_file_stat(struct page *page, int val); +void mem_cgroup_update_file_mapped(struct page *page, int val); unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order, gfp_t gfp_mask, int nid, int zid); @@ -287,7 +287,7 @@ mem_cgroup_print_oom_info(struct mem_cgroup *memcg, struct task_struct *p) { } -static inline void mem_cgroup_update_mapped_file_stat(struct page *page, +static inline void mem_cgroup_update_file_mapped(struct page *page, int val) { } diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 6587f65..0b3efb8 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -67,7 +67,7 @@ enum mem_cgroup_stat_index { */ MEM_CGROUP_STAT_CACHE, /* # of pages charged as cache */ MEM_CGROUP_STAT_RSS, /* # of pages charged as anon rss */ - MEM_CGROUP_STAT_MAPPED_FILE, /* # of pages charged as file rss */ + MEM_CGROUP_STAT_FILE_MAPPED, /* # of pages charged as file rss */ MEM_CGROUP_STAT_PGPGIN_COUNT, /* # of pages paged in */ MEM_CGROUP_STAT_PGPGOUT_COUNT, /* # of pages paged out */ MEM_CGROUP_STAT_EVENTS, /* sum of pagein + pageout for internal use */ @@ -1227,7 +1227,7 @@ static void record_last_oom(struct mem_cgroup *mem) * Currently used to update mapped file statistics, but the routine can be * generalized to update other statistics as well. */ -void mem_cgroup_update_mapped_file_stat(struct page *page, int val) +void mem_cgroup_update_file_mapped(struct page *page, int val) { struct mem_cgroup *mem; struct mem_cgroup_stat *stat; @@ -1235,9 +1235,6 @@ void mem_cgroup_update_mapped_file_stat(struct page *page, int val) int cpu; struct page_cgroup *pc; - if (!page_is_file_cache(page)) - return; - pc = lookup_page_cgroup(page); if (unlikely(!pc)) return; @@ -1257,7 +1254,7 @@ void mem_cgroup_update_mapped_file_stat(struct page *page, int val) stat = &mem->stat; cpustat = &stat->cpustat[cpu]; - __mem_cgroup_stat_add_safe(cpustat, MEM_CGROUP_STAT_MAPPED_FILE, val); + __mem_cgroup_stat_add_safe(cpustat, MEM_CGROUP_STAT_FILE_MAPPED, val); done: unlock_page_cgroup(pc); } @@ -1654,18 +1651,18 @@ static int mem_cgroup_move_account(struct page_cgroup *pc, mem_cgroup_charge_statistics(from, pc, false); page = pc->page; - if (page_is_file_cache(page) && page_mapped(page)) { + if (page_mapped(page) && !PageAnon(page)) { cpu = smp_processor_id(); /* Update mapped_file data for mem_cgroup "from" */ stat = &from->stat; cpustat = &stat->cpustat[cpu]; - __mem_cgroup_stat_add_safe(cpustat, MEM_CGROUP_STAT_MAPPED_FILE, + __mem_cgroup_stat_add_safe(cpustat, MEM_CGROUP_STAT_FILE_MAPPED, -1); /* Update mapped_file data for mem_cgroup "to" */ stat = &to->stat; cpustat = &stat->cpustat[cpu]; - __mem_cgroup_stat_add_safe(cpustat, MEM_CGROUP_STAT_MAPPED_FILE, + __mem_cgroup_stat_add_safe(cpustat, MEM_CGROUP_STAT_FILE_MAPPED, 1); } @@ -2889,7 +2886,7 @@ static int mem_cgroup_reset(struct cgroup *cont, unsigned int event) enum { MCS_CACHE, MCS_RSS, - MCS_MAPPED_FILE, + MCS_FILE_MAPPED, MCS_PGPGIN, MCS_PGPGOUT, MCS_SWAP, @@ -2933,8 +2930,8 @@ static int mem_cgroup_get_local_stat(struct mem_cgroup *mem, void *data) s->stat[MCS_CACHE] += val * PAGE_SIZE; val = mem_cgroup_read_stat(&mem->stat, MEM_CGROUP_STAT_RSS); s->stat[MCS_RSS] += val * PAGE_SIZE; - val = mem_cgroup_read_stat(&mem->stat, MEM_CGROUP_STAT_MAPPED_FILE); - s->stat[MCS_MAPPED_FILE] += val * PAGE_SIZE; + val = mem_cgroup_read_stat(&mem->stat, MEM_CGROUP_STAT_FILE_MAPPED); + s->stat[MCS_FILE_MAPPED] += val * PAGE_SIZE; val = mem_cgroup_read_stat(&mem->stat, MEM_CGROUP_STAT_PGPGIN_COUNT); s->stat[MCS_PGPGIN] += val; val = mem_cgroup_read_stat(&mem->stat, MEM_CGROUP_STAT_PGPGOUT_COUNT); @@ -721,7 +721,7 @@ void page_add_file_rmap(struct page *page) { if (atomic_inc_and_test(&page->_mapcount)) { __inc_zone_page_state(page, NR_FILE_MAPPED); - mem_cgroup_update_mapped_file_stat(page, 1); + mem_cgroup_update_file_mapped(page, 1); } } @@ -753,8 +753,8 @@ void page_remove_rmap(struct page *page) __dec_zone_page_state(page, NR_ANON_PAGES); } else { __dec_zone_page_state(page, NR_FILE_MAPPED); + mem_cgroup_update_file_mapped(page, -1); } - mem_cgroup_update_mapped_file_stat(page, -1); /* * It would be tidy to reset the PageAnon mapping here, * but that might overwrite a racing page_add_anon_rmap |
