Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933112Ab2FVUM5 (ORCPT ); Fri, 22 Jun 2012 16:12:57 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:50467 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932456Ab2FVUM4 (ORCPT ); Fri, 22 Jun 2012 16:12:56 -0400 Date: Fri, 22 Jun 2012 13:12:54 -0700 From: Andrew Morton To: KOSAKI Motohiro Cc: Bartlomiej Zolnierkiewicz , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Hugh Dickins , Dave Jones , Cong Wang , Markus Trippelsdorf , Mel Gorman , Minchan Kim , Rik van Riel , Marek Szyprowski , Kyungmin Park Subject: Re: [PATCH 2/2] mm: compaction: add /proc/vmstat entry for rescued MIGRATE_UNMOVABLE pageblocks Message-Id: <20120622131254.cc606c00.akpm@linux-foundation.org> In-Reply-To: <4FDA0F82.2030708@gmail.com> References: <201206141802.50075.b.zolnierkie@samsung.com> <4FDA0F82.2030708@gmail.com> X-Mailer: Sylpheed 3.0.2 (GTK+ 2.20.1; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1185 Lines: 27 On Thu, 14 Jun 2012 12:21:22 -0400 KOSAKI Motohiro wrote: > (6/14/12 12:02 PM), Bartlomiej Zolnierkiewicz wrote: > > From: Bartlomiej Zolnierkiewicz > > Subject: [PATCH] mm: compaction: add /proc/vmstat entry for rescued MIGRATE_UNMOVABLE pageblocks > > > > compact_rescued_unmovable_blocks shows the number of MIGRATE_UNMOVABLE > > pageblocks converted back to MIGRATE_MOVABLE type by the memory compaction > > code. Non-zero values indicate that large kernel-originated allocations > > of MIGRATE_UNMOVABLE type happen in the system and need special handling > > from the memory compaction code. > > > > This new vmstat entry is optional but useful for development and understanding > > the system. > > This description don't describe why admin need this stat and how to use it. > Was there a response to this? patch [1/2] doesn't apply. Refresh and resend the series, please? -- 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/