From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx132.postini.com [74.125.245.132]) by kanga.kvack.org (Postfix) with SMTP id 5C08E6B0068 for ; Tue, 16 Oct 2012 06:18:14 -0400 (EDT) From: Glauber Costa Subject: [PATCH v5 05/14] Add a __GFP_KMEMCG flag Date: Tue, 16 Oct 2012 14:16:42 +0400 Message-Id: <1350382611-20579-6-git-send-email-glommer@parallels.com> In-Reply-To: <1350382611-20579-1-git-send-email-glommer@parallels.com> References: <1350382611-20579-1-git-send-email-glommer@parallels.com> Sender: owner-linux-mm@kvack.org List-ID: To: linux-mm@kvack.org Cc: cgroups@vger.kernel.org, Mel Gorman , Tejun Heo , Andrew Morton , Michal Hocko , Johannes Weiner , kamezawa.hiroyu@jp.fujitsu.com, Christoph Lameter , David Rientjes , Pekka Enberg , devel@openvz.org, linux-kernel@vger.kernel.org, Glauber Costa , Pekka Enberg , Suleiman Souhlal 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. [ v4: make flag unconditional, also declare it in trace code ] Signed-off-by: Glauber Costa Acked-by: Johannes Weiner Acked-by: Rik van Riel Acked-by: Mel Gorman Acked-by: Kamezawa Hiroyuki CC: Christoph Lameter CC: Pekka Enberg CC: Michal Hocko CC: Suleiman Souhlal CC: Tejun Heo --- include/linux/gfp.h | 3 ++- include/trace/events/gfpflags.h | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 02c1c97..9289d46 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -31,6 +31,7 @@ struct vm_area_struct; #define ___GFP_THISNODE 0x40000u #define ___GFP_RECLAIMABLE 0x80000u #define ___GFP_NOTRACK 0x200000u +#define ___GFP_KMEMCG 0x400000u #define ___GFP_OTHER_NODE 0x800000u #define ___GFP_WRITE 0x1000000u @@ -87,7 +88,7 @@ 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). diff --git a/include/trace/events/gfpflags.h b/include/trace/events/gfpflags.h index 9391706..730df12 100644 --- a/include/trace/events/gfpflags.h +++ b/include/trace/events/gfpflags.h @@ -36,6 +36,7 @@ {(unsigned long)__GFP_RECLAIMABLE, "GFP_RECLAIMABLE"}, \ {(unsigned long)__GFP_MOVABLE, "GFP_MOVABLE"}, \ {(unsigned long)__GFP_NOTRACK, "GFP_NOTRACK"}, \ + {(unsigned long)__GFP_KMEMCG, "GFP_KMEMCG"}, \ {(unsigned long)__GFP_OTHER_NODE, "GFP_OTHER_NODE"} \ ) : "GFP_NOWAIT" -- 1.7.11.7 -- 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