diff options
| -rw-r--r-- | drivers/base/node.c | 2 | ||||
| -rw-r--r-- | fs/proc/meminfo.c | 2 | ||||
| -rw-r--r-- | include/linux/mmzone.h | 1 | ||||
| -rw-r--r-- | mm/filemap.c | 4 | ||||
| -rw-r--r-- | mm/migrate.c | 5 | ||||
| -rw-r--r-- | mm/page_alloc.c | 5 | ||||
| -rw-r--r-- | mm/vmstat.c | 2 |
7 files changed, 18 insertions, 3 deletions
diff --git a/drivers/base/node.c b/drivers/base/node.c index b560c17..1fe5536 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -85,6 +85,7 @@ static ssize_t node_read_meminfo(struct sys_device * dev, "Node %d FilePages: %8lu kB\n" "Node %d Mapped: %8lu kB\n" "Node %d AnonPages: %8lu kB\n" + "Node %d Shmem: %8lu kB\n" "Node %d KernelStack: %8lu kB\n" "Node %d PageTables: %8lu kB\n" "Node %d NFS_Unstable: %8lu kB\n" @@ -117,6 +118,7 @@ static ssize_t node_read_meminfo(struct sys_device * dev, nid, K(node_page_state(nid, NR_FILE_PAGES)), nid, K(node_page_state(nid, NR_FILE_MAPPED)), nid, K(node_page_state(nid, NR_ANON_PAGES)), + nid, K(node_page_state(nid, NR_SHMEM)), nid, node_page_state(nid, NR_KERNEL_STACK) * THREAD_SIZE / 1024, nid, K(node_page_state(nid, NR_PAGETABLE)), diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c index 1fc588f..171e052 100644 --- a/fs/proc/meminfo.c +++ b/fs/proc/meminfo.c @@ -81,6 +81,7 @@ static int meminfo_proc_show(struct seq_file *m, void *v) "Writeback: %8lu kB\n" "AnonPages: %8lu kB\n" "Mapped: %8lu kB\n" + "Shmem: %8lu kB\n" "Slab: %8lu kB\n" "SReclaimable: %8lu kB\n" "SUnreclaim: %8lu kB\n" @@ -125,6 +126,7 @@ static int meminfo_proc_show(struct seq_file *m, void *v) K(global_page_state(NR_WRITEBACK)), K(global_page_state(NR_ANON_PAGES)), K(global_page_state(NR_FILE_MAPPED)), + K(global_page_state(NR_SHMEM)), K(global_page_state(NR_SLAB_RECLAIMABLE) + global_page_state(NR_SLAB_UNRECLAIMABLE)), K(global_page_state(NR_SLAB_RECLAIMABLE)), diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index d9335b8..b3583b9 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -100,6 +100,7 @@ enum zone_stat_item { NR_BOUNCE, NR_VMSCAN_WRITE, NR_WRITEBACK_TEMP, /* Writeback using temporary buffers */ + NR_SHMEM, /* shmem pages (included tmpfs/GEM pages) */ #ifdef CONFIG_NUMA NUMA_HIT, /* allocated in intended node */ NUMA_MISS, /* allocated in non intended node */ diff --git a/mm/filemap.c b/mm/filemap.c index dd51c68e..bcc7372 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -119,6 +119,8 @@ void __remove_from_page_cache(struct page *page) page->mapping = NULL; mapping->nrpages--; __dec_zone_page_state(page, NR_FILE_PAGES); + if (PageSwapBacked(page)) + __dec_zone_page_state(page, NR_SHMEM); BUG_ON(page_mapped(page)); /* @@ -431,6 +433,8 @@ int add_to_page_cache_locked(struct page *page, struct address_space *mapping, if (likely(!error)) { mapping->nrpages++; __inc_zone_page_state(page, NR_FILE_PAGES); + if (PageSwapBacked(page)) + __inc_zone_page_state(page, NR_SHMEM); spin_unlock_irq(&mapping->tree_lock); } else { page->mapping = NULL; diff --git a/mm/migrate.c b/mm/migrate.c index 0edeac9..37143b9 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -312,7 +312,10 @@ static int migrate_page_move_mapping(struct address_space *mapping, */ __dec_zone_page_state(page, NR_FILE_PAGES); __inc_zone_page_state(newpage, NR_FILE_PAGES); - + if (PageSwapBacked(page)) { + __dec_zone_page_state(page, NR_SHMEM); + __inc_zone_page_state(newpage, NR_SHMEM); + } spin_unlock_irq(&mapping->tree_lock); return 0; diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 4e050f3..e50c225 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2139,7 +2139,7 @@ void show_free_areas(void) " unevictable:%lu" " dirty:%lu writeback:%lu unstable:%lu buffer:%lu\n" " free:%lu slab_reclaimable:%lu slab_unreclaimable:%lu\n" - " mapped:%lu pagetables:%lu bounce:%lu\n", + " mapped:%lu shmem:%lu pagetables:%lu bounce:%lu\n", global_page_state(NR_ACTIVE_ANON), global_page_state(NR_ACTIVE_FILE), global_page_state(NR_INACTIVE_ANON), @@ -2153,6 +2153,7 @@ void show_free_areas(void) global_page_state(NR_SLAB_RECLAIMABLE), global_page_state(NR_SLAB_UNRECLAIMABLE), global_page_state(NR_FILE_MAPPED), + global_page_state(NR_SHMEM), global_page_state(NR_PAGETABLE), global_page_state(NR_BOUNCE)); @@ -2175,6 +2176,7 @@ void show_free_areas(void) " dirty:%lukB" " writeback:%lukB" " mapped:%lukB" + " shmem:%lukB" " slab_reclaimable:%lukB" " slab_unreclaimable:%lukB" " kernel_stack:%lukB" @@ -2200,6 +2202,7 @@ void show_free_areas(void) K(zone_page_state(zone, NR_FILE_DIRTY)), K(zone_page_state(zone, NR_WRITEBACK)), K(zone_page_state(zone, NR_FILE_MAPPED)), + K(zone_page_state(zone, NR_SHMEM)), K(zone_page_state(zone, NR_SLAB_RECLAIMABLE)), K(zone_page_state(zone, NR_SLAB_UNRECLAIMABLE)), zone_page_state(zone, NR_KERNEL_STACK) * diff --git a/mm/vmstat.c b/mm/vmstat.c index ceda39b..7214a45 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -644,7 +644,7 @@ static const char * const vmstat_text[] = { "nr_bounce", "nr_vmscan_write", "nr_writeback_temp", - + "nr_shmem", #ifdef CONFIG_NUMA "numa_hit", "numa_miss", |
