Messages in this thread Patch in this message | | | From | KOSAKI Motohiro <> | Subject | [PATCH 2/4][resend] add buffer cache information to show_free_areas() | Date | Mon, 13 Jul 2009 15:01:12 +0900 (JST) |
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ChangeLog Since v3 - Rewrote the descriptin (Thanks Christoph!)
Since v2 - Changed display order, now, "buffer" field display right after unstable
Since v1 - Fixed showing the number with kilobyte unit issue
================ Subject: [PATCH] add buffer cache information to show_free_areas()
It is often useful to know the statistics for all pages that are handled like page cache pages when looking at OOM log output.
Therefore show_free_areas() should also display buffer cache statistics.
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Acked-by: Wu Fengguang <fengguang.wu@intel.com> Reviewed-by: Rik van Riel <riel@redhat.com> --- mm/page_alloc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
Index: b/mm/page_alloc.c =================================================================== --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2118,7 +2118,7 @@ void show_free_areas(void) printk("Active_anon:%lu active_file:%lu inactive_anon:%lu\n" " inactive_file:%lu" " unevictable:%lu" - " dirty:%lu writeback:%lu unstable:%lu\n" + " 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", global_page_state(NR_ACTIVE_ANON), @@ -2129,6 +2129,7 @@ void show_free_areas(void) global_page_state(NR_FILE_DIRTY), global_page_state(NR_WRITEBACK), global_page_state(NR_UNSTABLE_NFS), + nr_blockdev_pages(), global_page_state(NR_FREE_PAGES), global_page_state(NR_SLAB_RECLAIMABLE), global_page_state(NR_SLAB_UNRECLAIMABLE),
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