From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id B72EC7F66 for ; Thu, 12 Nov 2015 14:07:20 -0600 (CST) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id 995C48F804B for ; Thu, 12 Nov 2015 12:07:17 -0800 (PST) Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id w845YYowVGfcjD52 for ; Thu, 12 Nov 2015 12:07:11 -0800 (PST) Date: Fri, 13 Nov 2015 07:06:41 +1100 From: Dave Chinner Subject: Re: memory reclaim problems on fs usage Message-ID: <20151112200641.GR19199@dastard> References: <201511102313.36685.arekm@maven.pl> <201511111719.44035.arekm@maven.pl> <201511120719.EBF35970.OtSOHOVFJMFQFL@I-love.SAKURA.ne.jp> <201511120706.10739.arekm@maven.pl> <56449E44.7020407@I-love.SAKURA.ne.jp> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <56449E44.7020407@I-love.SAKURA.ne.jp> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: Tetsuo Handa Cc: linux-mm@kvack.org, xfs@oss.sgi.com T24gVGh1LCBOb3YgMTIsIDIwMTUgYXQgMTE6MTI6MjBQTSArMDkwMCwgVGV0c3VvIEhhbmRhIHdy b3RlOgo+IE9uIDIwMTUvMTEvMTIgMTU6MDYsIEFya2FkaXVzeiBNacWba2lld2ljeiB3cm90ZToK PiA+T24gV2VkbmVzZGF5IDExIG9mIE5vdmVtYmVyIDIwMTUsIFRldHN1byBIYW5kYSB3cm90ZToK PiA+PkFya2FkaXVzeiBNaT9raWV3aWN6IHdyb3RlOgo+ID4+PlRoaXMgcGF0Y2ggaXMgYWdhaW5z dCB3aGljaCB0cmVlPyAodHJpZWQgNC4xLCA0LjIgYW5kIDQuMykKPiA+Pgo+ID4+T29wcy4gV2hp dGVzcGFjZS1kYW1hZ2VkLiBUaGlzIHBhdGNoIGlzIGZvciB2YW5pbGxhIDQuMS4yLgo+ID4+UmVw b3N0aW5nIHdpdGggb25lIGNvbmRpdGlvbiBjb3JyZWN0ZWQuCj4gPgo+ID5IZXJlIGlzIGxvZzoK PiA+Cj4gPmh0dHA6Ly9peGlvbi5wbGQtbGludXgub3JnL35hcmVrbS9sb2ctbW0tMS50eHQuZ3oK PiA+Cj4gPlVuY29tcHJlc3NlcyBpcyAxLjRNQiwgc28gbm90IHBvc3RpbmcgaGVyZS4KPiA+Cj4g VGhhbmsgeW91IGZvciB0aGUgbG9nLiBUaGUgcmVzdWx0IGlzIHVuZXhwZWN0ZWQgZm9yIG1lLgo+ IAo+IFdoYXQgSSBmZWVsIHN0cmFuZ2UgaXMgdGhhdCBmcmVlOiByZW1haW5lZCBiZWxvdyBtaW46 IGxldmVsLgo+IFdoaWxlIEdGUF9BVE9NSUMgYWxsb2NhdGlvbnMgY2FuIGFjY2VzcyBtZW1vcnkg cmVzZXJ2ZXMsIEkgdGhpbmsgdGhhdAo+IHRoZXNlIGZyZWU6IHZhbHVlcyBhcmUgdG9vIHNtYWxs LiBNZW1vcnkgYWxsb2NhdGVkIGJ5IEdGUF9BVE9NSUMgc2hvdWxkCj4gYmUgcmVsZWFzZWQgc2hv cnRseSwgb3IgYW55IF9fR0ZQX1dBSVQgYWxsb2NhdGlvbnMgd291bGQgc3RhbGwgZm9yIGxvbmcu Cj4gCj4gWyA4NjMzLjc1MzUyOF0gTm9kZSAwIE5vcm1hbCBmcmVlOjEyOGtCIG1pbjo3MTA0a0Ig bG93Ojg4ODBrQgo+IGhpZ2g6MTA2NTZrQiBhY3RpdmVfYW5vbjo1OTAwOGtCIGluYWN0aXZlX2Fu b246NzUyNDBrQgo+IGFjdGl2ZV9maWxlOjE0NzEya0IgaW5hY3RpdmVfZmlsZTozMjU2OTYwa0Ig dW5ldmljdGFibGU6MGtCCi4uLi4KPiBpc29sYXRlZChhbm9uKTowa0IgaXNvbGF0ZWQoZmlsZSk6 MGtCIHByZXNlbnQ6NTI0Mjg4MGtCCj4gbWFuYWdlZDo1MTA5OTgwa0IgbWxvY2tlZDowa0IgZGly dHk6MjBrQiB3cml0ZWJhY2s6MGtCIG1hcHBlZDo3MzY4a0IKLi4uLgo+IHBhZ2VzX3NjYW5uZWQ6 MTc2IGFsbF91bnJlY2xhaW1hYmxlPyBubwoKU286IHdlIGhhdmUgMy4yR0IgKDgwMCwwMDAgcGFn ZXMpIG9mIGltbWVkaWF0ZWx5IHJlY2xhaW1hYmxlIHBhZ2UKY2FjaGUgaW4gdGhpcyB6b25lIChp bmFjdGl2ZV9maWxlKSBhbmQgYSBHRlBfQVRPTUlDIGFsbG9jYXRpb24KY29udGV4dCBzbyB3ZSBj YW4gb25seSByZWFsbHkgcmVjbGFpbSBjbGVhbiBwYWdlIGNhY2hlIHBhZ2VzCnJlbGlhYmx5LgoK U28gd2h5IGhhdmUgd2Ugb25seSBzY2FubmVkICoxNzYqIHBhZ2VzKiBkdXJpbmcgcmVjbGFpbT8g IE9uIG90aGVyCk9PTSByZXBvcnRzIGluIHRoaXMgdHJhY2UgaXQncyBhcyBsb3cgYXMgMTIuICBF aXRoZXIgdGhhdCBzdGF0IGlzCmNvbXBsZXRlbHkgd3JvbmcsIG9yIHdlJ3JlIG5vdCBkb2luZyBz dWZmaWNpZW50IHBhZ2UgTFJVIHJlY2xhaW0Kc2Nhbm5pbmcuLi4uCgo+IFsgOTY2Mi4yMzQ2ODVd IE1lbUFsbG9jLUluZm86IDMgc3RhbGxpbmcgdGFzaywgMCBkeWluZyB0YXNrLCAwIHZpY3RpbSB0 YXNrLgo+IAo+IHZtc3RhdF91cGRhdGUoKSBhbmQgc3VibWl0X2ZsdXNoZXMoKSByZW1haW5lZCBw ZW5kaW5nIGZvciBhYm91dCAxMTAgc2Vjb25kcy4KPiBJZiB4bG9nX2NpbF9wdXNoX3dvcmsoKSB3 ZXJlIHNwaW5uaW5nIGluc2lkZSBHRlBfTk9GUyBhbGxvY2F0aW9uLCBpdCBzaG91bGQgYmUKPiBy ZXBvcnRlZCBhcyBNZW1BbGxvYzogdHJhY2VzLCBidXQgbm8gc3VjaCBsaW5lcyBhcmUgcmVjb3Jk ZWQuIEkgZG9uJ3Qga25vdyB3aHkKPiB4bG9nX2NpbF9wdXNoX3dvcmsoKSBkaWQgbm90IGNhbGwg c2NoZWR1bGUoKSBmb3Igc28gbG9uZy4KCkknZCBzYXkgaXQgaXMgcmVwZWF0ZWRseSB3YWl0aW5n IGZvciBJTyBjb21wbGV0aW9uIG9uIGxvZyBidWZmZXJzIHRvCndyaXRlIG91dCB0aGUgY2hlY2tw b2ludC4gSXQncyBtYWtpbmcgcHJvZ3Jlc3MsIGp1c3QgaWYgaXQncyB0YWtpbmcKbXVsdGlwbGUg c2Vjb25kIHBlciBqb3VybmFsIElPIGl0IHdpbGwgdGFrZSBhIGxvbmcgdGltZSB0byB3cml0ZSBh CmNoZWNrcG9pbnQuIEFsbCB0aGUgb3RoZXIgYmxvY2tlZCB0YXNrcyBpbiBYRlMgaW5vZGUgcmVj bGFpbSBhcmUKZWl0aGVyIHdhaXRpbmcgZGlyZWN0bHkgb24gSU8gY29tcGxldGlvbiBvciB3YWl0 aW5nIGZvciB0aGUgbG9nIHRvCmNvbXBsZXRlIGEgZmx1c2gsIHNvIHRoaXMgcmVhbGx5IGp1c3Qg bG9va3MgbGlrZSBhbiBvdmVybG9hZGVkIElPCnN1YnN5c3RlbSB0byBtZS4uLi4KCj4gV2VsbCwg d2hhdCBzdGVwcyBzaG91bGQgd2UgdHJ5IG5leHQgZm9yIGlzb2xhdGluZyB0aGUgcHJvYmxlbT8K CkkgdGhpbmsgdGhlcmUncyBwbGVudHkgdGhhdCBuZWVkcyB0byBiZSBleHBsYWluZWQgZnJvbSB0 aGlzCmluZm9ybWF0aW9uLiBXZSBkb24ndCBoYXZlIGEgbWVtb3J5IGFsbG9jYXRpb24gbGl2ZWxv Y2sgLSBzbG93CnByb2dyZXNzIGlzIGJlaW5nIG1hZGUgb24gcmVjbGFpbWluZyBpbm9kZXMsIGJ1 dCB3ZQpjbGVhcmx5IGhhdmUgYSB6b25lIGltYmFsYW5jZSBhbmQgZGlyZWN0IHBhZ2UgcmVjbGFp bSBpcyBub3QgZnJlZWluZwpjbGVhbiBpbmFjdGl2ZSBwYWdlcyB3aGVuIHRoZXJlIGFyZSBodWdl IG51bWJlcnMgb2YgdGhlbSBhdmFpbGFibGUKZm9yIHJlY2xhaW0uIFNvbWVib2R5IHdobyB1bmRl cnN0YW5kcyB0aGUgcGFnZSByZWNsYWltIGNvZGUgbmVlZHMgdG8KbG9vayBjbG9zZWx5IGF0IHRo ZSBjb2RlIHRvIGV4cGxhaW4gdGhpcyBiZWhhdmlvdXIgbm93LCB0aGVuIHdlJ2xsCmtub3cgd2hh dCBpbmZvcm1hdGlvbiBuZWVkcyB0byBiZSBnYXRoZXJlZCBuZXh0Li4uCgpDaGVlcnMsCgpEYXZl LgoKCi0tIApEYXZlIENoaW5uZXIKZGF2aWRAZnJvbW9yYml0LmNvbQoKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KeGZzIG1haWxpbmcgbGlzdAp4ZnNAb3Nz LnNnaS5jb20KaHR0cDovL29zcy5zZ2kuY29tL21haWxtYW4vbGlzdGluZm8veGZzCg==