From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 9 Dec 2005 11:47:41 -0800 From: Rohit Seth Subject: [PATCH]: gets a new online cpu to use percpu_pagelist_fraction Message-ID: <20051209114740.A557@unix-os.sc.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Sender: owner-linux-mm@kvack.org Return-Path: To: akpm@osdl.org Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org List-ID: If percpu_pagelist_fraction tunable is set then this patch allows a newly brought online cpu to use new settings for high and batch values in its per cpu pagelists. Signed-off-by: Rohit Seth --- c/mm/page_alloc.c 2005-12-09 03:43:22.000000000 -0800 +++ linux-2.6.15-rc5-mm1/mm/page_alloc.c 2005-12-09 03:45:28.000000000 -0800 @@ -1977,6 +1977,10 @@ goto bad; setup_pageset(zone->pageset[cpu], zone_batchsize(zone)); + + if (percpu_pagelist_fraction) + setup_pagelist_highmark(zone_pcp(zone, cpu), + (zone->present_pages / percpu_pagelist_fraction)); } 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