diff options
| author | David Rientjes <rientjes@google.com> | 2011-01-13 15:47:14 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-13 17:32:46 -0800 |
| commit | 05b258e99725112c4febeab4fad23ea2c8908a3a (patch) | |
| tree | f373644f42104eef9c78299d52cec4f6975a3ef0 /drivers | |
| parent | 9992af102974f3f8a02a1f2729c3461881539e26 (diff) | |
| download | lwn-05b258e99725112c4febeab4fad23ea2c8908a3a.tar.gz lwn-05b258e99725112c4febeab4fad23ea2c8908a3a.zip | |
thp: transparent hugepage sysfs meminfo
Add hugepage statistics to per-node sysfs meminfo
Reviewed-by: Rik van Riel <riel@redhat.com>
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrea Arcangeli <aarcange@redhat.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 | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/base/node.c b/drivers/base/node.c index ce012a9c6201..36b43052001d 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -117,12 +117,21 @@ static ssize_t node_read_meminfo(struct sys_device * dev, "Node %d WritebackTmp: %8lu kB\n" "Node %d Slab: %8lu kB\n" "Node %d SReclaimable: %8lu kB\n" - "Node %d SUnreclaim: %8lu kB\n", + "Node %d SUnreclaim: %8lu kB\n" +#ifdef CONFIG_TRANSPARENT_HUGEPAGE + "Node %d AnonHugePages: %8lu kB\n" +#endif + , nid, K(node_page_state(nid, NR_FILE_DIRTY)), nid, K(node_page_state(nid, NR_WRITEBACK)), 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_ANON_PAGES) +#ifdef CONFIG_TRANSPARENT_HUGEPAGE + + node_page_state(nid, NR_ANON_TRANSPARENT_HUGEPAGES) * + HPAGE_PMD_NR +#endif + ), nid, K(node_page_state(nid, NR_SHMEM)), nid, node_page_state(nid, NR_KERNEL_STACK) * THREAD_SIZE / 1024, @@ -133,7 +142,13 @@ static ssize_t node_read_meminfo(struct sys_device * dev, nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE) + node_page_state(nid, NR_SLAB_UNRECLAIMABLE)), nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE)), - nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE))); + nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE)) +#ifdef CONFIG_TRANSPARENT_HUGEPAGE + , nid, + K(node_page_state(nid, NR_ANON_TRANSPARENT_HUGEPAGES) * + HPAGE_PMD_NR) +#endif + ); n += hugetlb_report_node_meminfo(nid, buf + n); return n; } |