From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f52.google.com (mail-pa0-f52.google.com [209.85.220.52]) by kanga.kvack.org (Postfix) with ESMTP id 844536B0074 for ; Thu, 18 Jun 2015 08:18:32 -0400 (EDT) Received: by pabvl15 with SMTP id vl15so14275666pab.1 for ; Thu, 18 Jun 2015 05:18:32 -0700 (PDT) Received: from mail-pa0-x22d.google.com (mail-pa0-x22d.google.com. [2607:f8b0:400e:c03::22d]) by mx.google.com with ESMTPS id qq9si11138210pbb.13.2015.06.18.05.18.31 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 18 Jun 2015 05:18:31 -0700 (PDT) Received: by paceq1 with SMTP id eq1so35915549pac.3 for ; Thu, 18 Jun 2015 05:18:31 -0700 (PDT) Date: Thu, 18 Jun 2015 21:17:46 +0900 From: Sergey Senozhatsky Subject: Re: [RFC][PATCH v3 0/7] introduce automatic pool compaction Message-ID: <20150618121746.GB518@swordfish> References: <1434628004-11144-1-git-send-email-sergey.senozhatsky@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1434628004-11144-1-git-send-email-sergey.senozhatsky@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: To: Minchan Kim Cc: Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Sergey Senozhatsky , Sergey Senozhatsky Minchan, FYI, I re-done the test (untouched almost_empty waterline). Kernel log test started [ 788.064886] test ended [ 4025.914190] test (doing `cp' in parallel): (a) for i in {1..X}; do cp -R ~/git .; sync; rm -fr git/; done # compiled kernel, with object files. 2.2G (b) for i in {1..X}; do cp -R ~/linux/ .; sync; rm -fr linux/; done (c) for i in {1..X}; do cp -R ~/glibc/ .; sync; rm -fr glibc/; done Minimal si_meminfo(&si)->si.freeram observed on the system was: 6390 cat /sys/block/zram0/stat 31253 0 250024 316 12281689 0 98253512 141263 0 141590 141763 cat /sys/block/zram0/mm_stat 3183374336 2105262569 2140762112 0 2821394432 1864 358173 The results are: compaction nr:2335 (full:953 part:60956) ratio: 0.01539 (~1.53% of classes were fully compacted) More or less same numbers. -ss -- 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