Messages in this thread Patch in this message | | | From | KOSAKI Motohiro <> | Subject | [PATCH 2/5] add buffer cache information to show_free_areas() | Date | Thu, 9 Jul 2009 17:11:18 +0900 (JST) |
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ChangeLog 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()
When administrator analysis memory shortage reason from OOM log, They often need to know rest number of cache like pages.
Then, show_free_areas() shouldn't only display page cache, but also it should display buffer cache.
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Acked-by: Wu Fengguang <fengguang.wu@intel.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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