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Commit 05b258e9 authored by David Rientjes's avatar David Rientjes Committed by Linus Torvalds
Browse files

thp: transparent hugepage sysfs meminfo 



Add hugepage statistics to per-node sysfs meminfo

Reviewed-by: default avatarRik van Riel <riel@redhat.com>
Signed-off-by: default avatarDavid Rientjes <rientjes@google.com>
Signed-off-by: default avatarAndrea Arcangeli <aarcange@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 9992af10

drivers/base/node.c

+18 −3
Original line number Diff line number Diff line
@@ -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;

}