From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751623Ab1GTMQQ (ORCPT ); Wed, 20 Jul 2011 08:16:16 -0400 Received: from relay.parallels.com ([195.214.232.42]:45613 "EHLO relay.parallels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751006Ab1GTMQP (ORCPT ); Wed, 20 Jul 2011 08:16:15 -0400 Subject: [PATCH] mm-slab: allocate kmem_cache with __GFP_REPEAT To: Andrew Morton From: Konstantin Khlebnikov CC: Pekka Enberg , , Christoph Lameter , , Matt Mackall Date: Wed, 20 Jul 2011 16:16:12 +0400 Message-ID: <20110720121612.28888.38970.stgit@localhost6> User-Agent: StGit/0.15 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Order of sizeof(struct kmem_cache) can be bigger than PAGE_ALLOC_COSTLY_ORDER, thus there is a good chance of unsuccessful allocation. With __GFP_REPEAT buddy-allocator will reclaim/compact memory more aggressively. Signed-off-by: Konstantin Khlebnikov --- mm/slab.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/mm/slab.c b/mm/slab.c index d96e223..53bddc8 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -2304,7 +2304,7 @@ kmem_cache_create (const char *name, size_t size, size_t align, gfp = GFP_NOWAIT; /* Get cache's description obj. */ - cachep = kmem_cache_zalloc(&cache_cache, gfp); + cachep = kmem_cache_zalloc(&cache_cache, gfp | __GFP_REPEAT); if (!cachep) goto oops;