From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <48D3DAC5.9090308@linux-foundation.org> Date: Fri, 19 Sep 2008 12:00:53 -0500 From: Christoph Lameter MIME-Version: 1.0 Subject: Re: [patch 3/4] cpu alloc: The allocator References: <20080919145859.062069850@quilx.com> <20080919145929.158651064@quilx.com> <48D3D2EF.5090808@cosmosbay.com> <48D3D836.40306@linux-foundation.org> In-Reply-To: <48D3D836.40306@linux-foundation.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Eric Dumazet Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, jeremy@goop.org, ebiederm@xmission.com, travis@sgi.com, herbert@gondor.apana.org.au, xemul@openvz.org, penberg@cs.helsinki.fi List-ID: Completely wrong. We need this patch that Eric suggested: Subject: cpu_alloc: Allow alignment < UNIT_SIZE Limit the minimum alignment to UNIT_SIZE. Signed-off-by: Christoph Lameter Index: linux-2.6/mm/cpu_alloc.c =================================================================== --- linux-2.6.orig/mm/cpu_alloc.c 2008-09-19 11:47:30.000000000 -0500 +++ linux-2.6/mm/cpu_alloc.c 2008-09-19 11:56:47.000000000 -0500 @@ -86,6 +86,9 @@ WARN_ON(align > PAGE_SIZE); + if (align < UNIT_SIZE) + align = UNIT_SIZE; + spin_lock_irqsave(&cpu_alloc_map_lock, flags); first = 1 -- 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