From mboxrd@z Thu Jan 1 00:00:00 1970 Message-Id: <20071004040005.850376534@sgi.com> References: <20071004035935.042951211@sgi.com> Date: Wed, 03 Oct 2007 20:59:53 -0700 From: Christoph Lameter Subject: [18/18] SLUB: Use fallback for table of callers/freers of a slab cache Content-Disposition: inline; filename=vcompound_slub_safe Sender: owner-linux-mm@kvack.org Return-Path: To: akpm@linux-foundation.org Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org List-ID: The caller table can get quite large if there are many call sites for a particular slab. Add GFP_FALLBACK allows falling back to vmalloc in case the caller table gets too big and memory is fragmented. Currently we would fail the operation. Signed-off-by: Christoph Lameter --- mm/slub.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) Index: linux-2.6/mm/slub.c =================================================================== --- linux-2.6.orig/mm/slub.c 2007-10-03 20:00:23.000000000 -0700 +++ linux-2.6/mm/slub.c 2007-10-03 20:01:12.000000000 -0700 @@ -3003,7 +3003,8 @@ static int alloc_loc_track(struct loc_tr order = get_order(sizeof(struct location) * max); - l = (void *)__get_free_pages(flags, order); + l = (void *)__get_free_pages(flags | __GFP_COMP | __GFP_VFALLBACK, + order); if (!l) return 0; -- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org