From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933165Ab2IROJY (ORCPT ); Tue, 18 Sep 2012 10:09:24 -0400 Received: from mailhub.sw.ru ([195.214.232.25]:5128 "EHLO relay.sw.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933041Ab2IROJB (ORCPT ); Tue, 18 Sep 2012 10:09:01 -0400 From: Glauber Costa To: Cc: , , , Tejun Heo , , Suleiman Souhlal , Frederic Weisbecker , Mel Gorman , David Rientjes , Glauber Costa , Christoph Lameter , Pekka Enberg , Michal Hocko , Johannes Weiner , Rik van Riel , Mel Gorman Subject: [PATCH v3 05/13] Add a __GFP_KMEMCG flag Date: Tue, 18 Sep 2012 18:04:02 +0400 Message-Id: <1347977050-29476-6-git-send-email-glommer@parallels.com> X-Mailer: git-send-email 1.7.11.4 In-Reply-To: <1347977050-29476-1-git-send-email-glommer@parallels.com> References: <1347977050-29476-1-git-send-email-glommer@parallels.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This flag is used to indicate to the callees that this allocation is a kernel allocation in process context, and should be accounted to current's memcg. It takes numerical place of the of the recently removed __GFP_NO_KSWAPD. Signed-off-by: Glauber Costa CC: Christoph Lameter CC: Pekka Enberg CC: Michal Hocko CC: Johannes Weiner CC: Suleiman Souhlal CC: Rik van Riel CC: Mel Gorman Acked-by: Kamezawa Hiroyuki --- include/linux/gfp.h | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/include/linux/gfp.h b/include/linux/gfp.h index f9bc873..d8eae4d 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -35,6 +35,11 @@ struct vm_area_struct; #else #define ___GFP_NOTRACK 0 #endif +#ifdef CONFIG_MEMCG_KMEM +#define ___GFP_KMEMCG 0x400000u +#else +#define ___GFP_KMEMCG 0 +#endif #define ___GFP_OTHER_NODE 0x800000u #define ___GFP_WRITE 0x1000000u @@ -91,7 +96,7 @@ struct vm_area_struct; #define __GFP_OTHER_NODE ((__force gfp_t)___GFP_OTHER_NODE) /* On behalf of other node */ #define __GFP_WRITE ((__force gfp_t)___GFP_WRITE) /* Allocator intends to dirty page */ - +#define __GFP_KMEMCG ((__force gfp_t)___GFP_KMEMCG) /* Allocation comes from a memcg-accounted resource */ /* * This may seem redundant, but it's a way of annotating false positives vs. * allocations that simply cannot be supported (e.g. page tables). -- 1.7.11.4 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx178.postini.com [74.125.245.178]) by kanga.kvack.org (Postfix) with SMTP id F30676B00A5 for ; Tue, 18 Sep 2012 10:08:48 -0400 (EDT) From: Glauber Costa Subject: [PATCH v3 05/13] Add a __GFP_KMEMCG flag Date: Tue, 18 Sep 2012 18:04:02 +0400 Message-Id: <1347977050-29476-6-git-send-email-glommer@parallels.com> In-Reply-To: <1347977050-29476-1-git-send-email-glommer@parallels.com> References: <1347977050-29476-1-git-send-email-glommer@parallels.com> Sender: owner-linux-mm@kvack.org List-ID: To: linux-kernel@vger.kernel.org Cc: cgroups@vger.kernel.org, kamezawa.hiroyu@jp.fujitsu.com, devel@openvz.org, Tejun Heo , linux-mm@kvack.org, Suleiman Souhlal , Frederic Weisbecker , Mel Gorman , David Rientjes , Glauber Costa , Christoph Lameter , Pekka Enberg , Michal Hocko , Johannes Weiner , Rik van Riel , Mel Gorman This flag is used to indicate to the callees that this allocation is a kernel allocation in process context, and should be accounted to current's memcg. It takes numerical place of the of the recently removed __GFP_NO_KSWAPD. Signed-off-by: Glauber Costa CC: Christoph Lameter CC: Pekka Enberg CC: Michal Hocko CC: Johannes Weiner CC: Suleiman Souhlal CC: Rik van Riel CC: Mel Gorman Acked-by: Kamezawa Hiroyuki --- include/linux/gfp.h | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/include/linux/gfp.h b/include/linux/gfp.h index f9bc873..d8eae4d 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -35,6 +35,11 @@ struct vm_area_struct; #else #define ___GFP_NOTRACK 0 #endif +#ifdef CONFIG_MEMCG_KMEM +#define ___GFP_KMEMCG 0x400000u +#else +#define ___GFP_KMEMCG 0 +#endif #define ___GFP_OTHER_NODE 0x800000u #define ___GFP_WRITE 0x1000000u @@ -91,7 +96,7 @@ struct vm_area_struct; #define __GFP_OTHER_NODE ((__force gfp_t)___GFP_OTHER_NODE) /* On behalf of other node */ #define __GFP_WRITE ((__force gfp_t)___GFP_WRITE) /* Allocator intends to dirty page */ - +#define __GFP_KMEMCG ((__force gfp_t)___GFP_KMEMCG) /* Allocation comes from a memcg-accounted resource */ /* * This may seem redundant, but it's a way of annotating false positives vs. * allocations that simply cannot be supported (e.g. page tables). -- 1.7.11.4 -- 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 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Glauber Costa Subject: [PATCH v3 05/13] Add a __GFP_KMEMCG flag Date: Tue, 18 Sep 2012 18:04:02 +0400 Message-ID: <1347977050-29476-6-git-send-email-glommer@parallels.com> References: <1347977050-29476-1-git-send-email-glommer@parallels.com> Return-path: In-Reply-To: <1347977050-29476-1-git-send-email-glommer-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org> Sender: cgroups-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, kamezawa.hiroyu-+CUm20s59erQFUHtdCDX3A@public.gmane.org, devel-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org, Tejun Heo , linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, Suleiman Souhlal , Frederic Weisbecker , Mel Gorman , David Rientjes , Glauber Costa , Christoph Lameter , Pekka Enberg , Michal Hocko , Johannes Weiner , Rik van Riel , Mel Gorman This flag is used to indicate to the callees that this allocation is a kernel allocation in process context, and should be accounted to current's memcg. It takes numerical place of the of the recently removed __GFP_NO_KSWAPD. Signed-off-by: Glauber Costa CC: Christoph Lameter CC: Pekka Enberg CC: Michal Hocko CC: Johannes Weiner CC: Suleiman Souhlal CC: Rik van Riel CC: Mel Gorman Acked-by: Kamezawa Hiroyuki --- include/linux/gfp.h | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/include/linux/gfp.h b/include/linux/gfp.h index f9bc873..d8eae4d 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -35,6 +35,11 @@ struct vm_area_struct; #else #define ___GFP_NOTRACK 0 #endif +#ifdef CONFIG_MEMCG_KMEM +#define ___GFP_KMEMCG 0x400000u +#else +#define ___GFP_KMEMCG 0 +#endif #define ___GFP_OTHER_NODE 0x800000u #define ___GFP_WRITE 0x1000000u @@ -91,7 +96,7 @@ struct vm_area_struct; #define __GFP_OTHER_NODE ((__force gfp_t)___GFP_OTHER_NODE) /* On behalf of other node */ #define __GFP_WRITE ((__force gfp_t)___GFP_WRITE) /* Allocator intends to dirty page */ - +#define __GFP_KMEMCG ((__force gfp_t)___GFP_KMEMCG) /* Allocation comes from a memcg-accounted resource */ /* * This may seem redundant, but it's a way of annotating false positives vs. * allocations that simply cannot be supported (e.g. page tables). -- 1.7.11.4