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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>
hifive-unleashed-5.1
David Rientjes 2011-01-13 15:47:14 -08:00 committed by Linus Torvalds
parent 9992af1029
commit 05b258e997
1 changed files with 18 additions and 3 deletions
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21
drivers/base/node.c
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@ -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;
}