Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758207Ab2HINEN (ORCPT ); Thu, 9 Aug 2012 09:04:13 -0400 Received: from mailhub.sw.ru ([195.214.232.25]:38538 "EHLO relay.sw.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753741Ab2HINEH (ORCPT ); Thu, 9 Aug 2012 09:04:07 -0400 From: Glauber Costa To: Cc: , , , Michal Hocko , Johannes Weiner , Andrew Morton , , Christoph Lameter , David Rientjes , Pekka Enberg , Glauber Costa , Pekka Enberg , Suleiman Souhlal , Rik van Riel , Mel Gorman Subject: [PATCH v2 05/11] Add a __GFP_KMEMCG flag Date: Thu, 9 Aug 2012 17:01:13 +0400 Message-Id: <1344517279-30646-6-git-send-email-glommer@parallels.com> X-Mailer: git-send-email 1.7.11.2 In-Reply-To: <1344517279-30646-1-git-send-email-glommer@parallels.com> References: <1344517279-30646-1-git-send-email-glommer@parallels.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1821 Lines: 51 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: Kamezawa Hiroyuki CC: Johannes Weiner CC: Suleiman Souhlal CC: Rik van Riel CC: Mel Gorman --- 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). -- 1.7.11.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/