diff options
| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2016-07-27 00:26:10 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-07-27 01:19:19 +0200 |
| commit | 65c453778aea374a46597f4d9826274d1eaf7338 (patch) | |
| tree | 4210852e253bcea95da5b2973d7be93a535ee3a1 /drivers | |
| parent | truncate: handle file thp (diff) | |
| download | linux-65c453778aea374a46597f4d9826274d1eaf7338.tar.xz linux-65c453778aea374a46597f4d9826274d1eaf7338.zip | |
mm, rmap: account shmem thp pages
Let's add ShmemHugePages and ShmemPmdMapped fields into meminfo and
smaps. It indicates how many times we allocate and map shmem THP.
NR_ANON_TRANSPARENT_HUGEPAGES is renamed to NR_ANON_THPS.
Link: http://lkml.kernel.org/r/1466021202-61880-27-git-send-email-kirill.shutemov@linux.intel.com
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/base/node.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/base/node.c b/drivers/base/node.c index 560751bad294..51c7db2c4ee2 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -113,6 +113,8 @@ static ssize_t node_read_meminfo(struct device *dev, "Node %d SUnreclaim: %8lu kB\n" #ifdef CONFIG_TRANSPARENT_HUGEPAGE "Node %d AnonHugePages: %8lu kB\n" + "Node %d ShmemHugePages: %8lu kB\n" + "Node %d ShmemPmdMapped: %8lu kB\n" #endif , nid, K(node_page_state(nid, NR_FILE_DIRTY)), @@ -131,10 +133,13 @@ static ssize_t node_read_meminfo(struct device *dev, node_page_state(nid, NR_SLAB_UNRECLAIMABLE)), nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE)), #ifdef CONFIG_TRANSPARENT_HUGEPAGE - nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE)) - , nid, - K(node_page_state(nid, NR_ANON_TRANSPARENT_HUGEPAGES) * - HPAGE_PMD_NR)); + nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE)), + nid, K(node_page_state(nid, NR_ANON_THPS) * + HPAGE_PMD_NR), + nid, K(node_page_state(nid, NR_SHMEM_THPS) * + HPAGE_PMD_NR), + nid, K(node_page_state(nid, NR_SHMEM_PMDMAPPED) * + HPAGE_PMD_NR)); #else nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE))); #endif |