From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michal Hocko Subject: Re: Regression due to "mm/swap.c: flush lru pvecs on compound page arrival" Date: Wed, 14 Dec 2016 16:21:48 +0100 Message-ID: <20161214152148.GO25573@dhcp22.suse.cz> References: <22609.18772.521248.918298@mariner.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <22609.18772.521248.918298@mariner.uk.xensource.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Ian Jackson Cc: Andrea Arcangeli , Vladimir Davydov , xen-devel@lists.xensource.com, Ming Li , stable@vger.kernel.org, Minchan Kim , Lukasz Odzioba , Sasha Levin , Andrew Morton , Linus Torvalds , Kirill Shutemov List-Id: xen-devel@lists.xenproject.org T24gV2VkIDE0LTEyLTE2IDEzOjI5OjU2LCBJYW4gSmFja3NvbiB3cm90ZToKPiBvc3N0ZXN0IHNl cnZpY2Ugb3duZXIgd3JpdGVzICgiW2xpbnV4LTMuMTggYmlzZWN0aW9uXSBjb21wbGV0ZSB0ZXN0 LWFtZDY0LWFtZDY0LXhsLXFlbXV0LXdpbjctYW1kNjQiKToKPiA+ICoqKiBGb3VuZCBhbmQgcmVw cm9kdWNlZCBwcm9ibGVtIGNoYW5nZXNldCAqKioKPiA+IAo+ID4gICBCdWcgaXMgaW4gdHJlZTog IGxpbnV4IGdpdDovL2dpdC5rZXJuZWwub3JnL3B1Yi9zY20vbGludXgva2VybmVsL2dpdC9zdGFi bGUvbGludXgtc3RhYmxlLmdpdAo+ID4gICBCdWcgaW50cm9kdWNlZDogIGEyZDhjNTE0NzUzMjc2 Mzk0ZDY4NDE0ZjU2MzU5MWYxNzRlZjg2Y2IKPiA+ICAgQnVnIG5vdCBwcmVzZW50OiA4ZjYyMDQ0 NjEzNWI2NGNhNmY5NmNmMzIwNjZhNzZkNjRlNzlhMzg4Cj4gPiAgIExhc3QgZmFpbCByZXBybzog aHR0cDovL2xvZ3MudGVzdC1sYWIueGVucHJvamVjdC5vcmcvb3NzdGVzdC9sb2dzLzEwMzMxNS8K PiA+IAo+ID4gICBjb21taXQgYTJkOGM1MTQ3NTMyNzYzOTRkNjg0MTRmNTYzNTkxZjE3NGVmODZj Ygo+ID4gICBBdXRob3I6IEx1a2FzeiBPZHppb2JhIDxsdWthc3oub2R6aW9iYUBpbnRlbC5jb20+ Cj4gPiAgIERhdGU6ICAgRnJpIEp1biAyNCAxNDo1MDowMSAyMDE2IC0wNzAwCj4gPiAgIAo+ID4g ICAgICAgbW0vc3dhcC5jOiBmbHVzaCBscnUgcHZlY3Mgb24gY29tcG91bmQgcGFnZSBhcnJpdmFs Cj4gCj4gVGhpcyBjb21taXQgYnJlYWtzIHRoZSB0ZXN0ICJ0ZXN0LWFtZDY0LWFtZDY0LXhsLXFl bXV0LXdpbjctYW1kNjQiIGluCj4gdGhlIFhlbiBQcm9qZWN0IENJIHN5c3RlbS4KCk9oaCwgSSBj YW4gc2VlIGl0IG5vdy4gVGhpcyBpcyBub3QgYW4gdXBzdHJlYW0gY29tbWl0LiBUaGlzIGlzIGEg My4xOC4zNwpiYWNrcG9ydCB3aGljaCB3YXMgd3JvbmchIFlvdSBuZWVkIHRoZSBmb2xsb3cgdXAg Zml4IDUyYzg0YTk1ZGM2YQooIjQuMS4yOCBGaXggYmFkIGJhY2twb3J0IG9mIDhmMTgyMjcwZGZl YyAibW0vc3dhcC5jOiBmbHVzaCBscnUgcHZlY3Mgb24KY29tcG91bmQgcGFnZSBhcnJpdmFsIiIp LiBUaGUgcHJpbWFyeSBwcm9ibGVtIHdhcyB0aGF0IF9fbHJ1X2NhY2hlX2FkZApoYXMgbGVha2Vk IHBhZ2VzIHdoaWNoIHdvdWxkIGV4cGxhaW4geW91ciBPT00uCi0tIApNaWNoYWwgSG9ja28KU1VT RSBMYWJzCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpY ZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlz dHMueGVuLm9yZy94ZW4tZGV2ZWwK