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[115.124.30.16]) by mx.google.com with ESMTP id g1si12853422plk.577.2017.07.03.02.45.26 for ; Mon, 03 Jul 2017 02:45:27 -0700 (PDT) Date: Mon, 03 Jul 2017 17:45:25 +0800 Subject: Re: [PATCH] mm: vmpressure: simplify pressure ratio calculation Message-ID: From: "zbestahu@aliyun.com" MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="--_com.android.email_102372919589170" Sender: owner-linux-mm@kvack.org List-ID: To: Michal Hocko Cc: akpm , minchan , linux-mm , Yue Hu , Anton Vorontsov ----_com.android.email_102372919589170 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: base64 PGRpdj5IaSBNaWNoYWw8L2Rpdj48YnI+PGRpdj5XZSBjYW4gdGhpbmsgdGhlIHNvbWUgb2Ygc2Nh bm5lZCBwYWdlcyBpcyZuYnNwOyByZWNsYWltZWQgYXMgcmVjbGFpbWVkIHBhZ2VzIGFuZCB0aGUg cmVzdCBvZiBwYWdlcyBpcyBqdXN0IHVuc3VjY2Vzc2Z1bCByZWNsYWltZWQgcGFnZXMuIHZtcHJl c3N1cmUgaXMgdGVuZCB0byB1bnN1Y2Nlc3NmdWwgcmVjbGFpbWVkIHBhZ2VzLCBzbyBvYnZpb3Vz bHkgdGhlIHByZXNzdXJlIHBlcmNlbnQgaXMgdGhlIHJhdGlvIG9mIHVuc3VjY2Vzc2Z1bCByZWNs YWltZWQgcGFnZXMgdG8gc2Nhbm5lZCBwYWdlcy48L2Rpdj48YnI+PGRpdj5JZiBteSB1bmRlcnN0 YW5kaW5nIGlzIHdyb25nLCBwbGVhc2UgY29ycmVjdCZuYnNwOyBpdC48L2Rpdj48YnI+PGRpdj5U aGFua3MuPC9kaXY+PGJyIGlkPSJtekRpdmlkZXIiPjxicj48YnI+LS0tLS0tLS0g5Y6f5aeL6YKu 5Lu2IC0tLS0tLS0tPGJyPuWPkeS7tuS6uu+8mk1pY2hhbCBIb2NrbyAmbHQ7bWhvY2tvQGtlcm5l bC5vcmcmZ3Q7PGJyPuaXtumXtO+8muWRqOS4gCA35pyIM+aXpSAxNTo0NDxicj7mlLbku7bkurrv vJp6YmVzdGFodSAmbHQ7emJlc3RhaHVAYWxpeXVuLmNvbSZndDs8YnI+5oqE6YCB77yaYWtwbSAm bHQ7YWtwbUBsaW51eC1mb3VuZGF0aW9uLm9yZyZndDssbWluY2hhbiAmbHQ7bWluY2hhbkBrZXJu ZWwub3JnJmd0OyxsaW51eC1tbSAmbHQ7bGludXgtbW1Aa3ZhY2sub3JnJmd0OyxZdWUgSHUgJmx0 O2h1eXVlMkBjb29scGFkLmNvbSZndDssQW50b24gVm9yb250c292ICZsdDthbnRvbi52b3JvbnRz b3ZAbGluYXJvLm9yZyZndDs8YnI+5Li76aKY77yaUmU6IFtQQVRDSF0gbW06IHZtcHJlc3N1cmU6 IHNpbXBsaWZ5IHByZXNzdXJlIHJhdGlvIGNhbGN1bGF0aW9uPGJyPjxicj5bQ0MgQW50b25dPGJy Pjxicj5PbiBTYXQgMDEtMDctMTcgMTQ6Mjc6MzksIHpiZXN0YWh1QGFsaXl1bi5jb20gd3JvdGU6 PGJyPiZndDsgRnJvbTogWXVlIEh1ICZsdDtodXl1ZTJAY29vbHBhZC5jb20mZ3Q7PGJyPiZndDsg PGJyPiZndDsgVGhlIHBhdGNoIHJlbW92ZXMgdGhlIG5lZWRsZXNzIHNjYWxlIGluIGV4aXN0aW5n IGNhbHVhdGlvbiwgaXQ8YnI+Jmd0OyBtYWtlcyB0aGUgY2FsY3VsYXRpb24gbW9yZSBzaW1wbGUg YW5kIG1vcmUgZWZmZWN0aXZlLjxicj48YnI+SSBzdXNwZWN0IHRoZSBjb25zdHJ1Y3QgaXMgZGVs aWJlcmF0ZSBhbmQgZG9uZSB0aGlzIHdheSBiZWNhdXNlIG9mIHRoZTxicj5yb3VuZGluZy4gWW91 ciBjb2RlIHdpbGwgYmVoYXZlIHNsaWdodGx5IGRpZmZlcmVudGx5LiBJZiB0aGF0IGlzPGJyPmlu dGVudGlvbmFsIHRoZW4gaXQgc2hvdWxkIGJlIGRlc2NyaWJlZCBpbiB0aGUgY2hhbmdlZGxvZy48 YnI+PGJyPiZndDsgU2lnbmVkLW9mZi1ieTogWXVlIEh1ICZsdDtodXl1ZTJAY29vbHBhZC5jb20m Z3Q7PGJyPiZndDsgLS0tPGJyPiZndDsmbmJzcDsgbW0vdm1wcmVzc3VyZS5jIHwgNCArLS0tPGJy PiZndDsmbmJzcDsgMSBmaWxlIGNoYW5nZWQsIDEgaW5zZXJ0aW9uKCspLCAzIGRlbGV0aW9ucygt KTxicj4mZ3Q7IDxicj4mZ3Q7IGRpZmYgLS1naXQgYS9tbS92bXByZXNzdXJlLmMgYi9tbS92bXBy ZXNzdXJlLmM8YnI+Jmd0OyBpbmRleCA2MDYzNTgxLi4xNzRiMmYwIDEwMDY0NDxicj4mZ3Q7IC0t LSBhL21tL3ZtcHJlc3N1cmUuYzxicj4mZ3Q7ICsrKyBiL21tL3ZtcHJlc3N1cmUuYzxicj4mZ3Q7 IEBAIC0xMTEsNyArMTExLDYgQEAgc3RhdGljIGVudW0gdm1wcmVzc3VyZV9sZXZlbHMgdm1wcmVz c3VyZV9sZXZlbCh1bnNpZ25lZCBsb25nIHByZXNzdXJlKTxicj4mZ3Q7Jm5ic3A7IHN0YXRpYyBl bnVtIHZtcHJlc3N1cmVfbGV2ZWxzIHZtcHJlc3N1cmVfY2FsY19sZXZlbCh1bnNpZ25lZCBsb25n IHNjYW5uZWQsPGJyPiZndDsmbmJzcDsgCQkJCQkJJm5ic3A7Jm5ic3A7Jm5ic3A7IHVuc2lnbmVk IGxvbmcgcmVjbGFpbWVkKTxicj4mZ3Q7Jm5ic3A7IHs8YnI+Jmd0OyAtCXVuc2lnbmVkIGxvbmcg c2NhbGUgPSBzY2FubmVkICsgcmVjbGFpbWVkOzxicj4mZ3Q7Jm5ic3A7IAl1bnNpZ25lZCBsb25n IHByZXNzdXJlID0gMDs8YnI+Jmd0OyZuYnNwOyA8YnI+Jmd0OyZuYnNwOyAJLyo8YnI+Jmd0OyBA QCAtMTI4LDggKzEyNyw3IEBAIHN0YXRpYyBlbnVtIHZtcHJlc3N1cmVfbGV2ZWxzIHZtcHJlc3N1 cmVfY2FsY19sZXZlbCh1bnNpZ25lZCBsb25nIHNjYW5uZWQsPGJyPiZndDsmbmJzcDsgCSAqIHNj YW5uZWQuIFRoaXMgbWFrZXMgaXQgcG9zc2libGUgdG8gc2V0IGRlc2lyZWQgcmVhY3Rpb24gdGlt ZTxicj4mZ3Q7Jm5ic3A7IAkgKiBhbmQgc2VydmVzIGFzIGEgcmF0ZWxpbWl0Ljxicj4mZ3Q7Jm5i c3A7IAkgKi88YnI+Jmd0OyAtCXByZXNzdXJlID0gc2NhbGUgLSAocmVjbGFpbWVkICogc2NhbGUg LyBzY2FubmVkKTs8YnI+Jmd0OyAtCXByZXNzdXJlID0gcHJlc3N1cmUgKiAxMDAgLyBzY2FsZTs8 YnI+Jmd0OyArCXByZXNzdXJlID0gKHNjYW5uZWQgLSByZWNsYWltZWQpICogMTAwIC8gc2Nhbm5l ZDs8YnI+Jmd0OyZuYnNwOyA8YnI+Jmd0OyZuYnNwOyBvdXQ6PGJyPiZndDsmbmJzcDsgCXByX2Rl YnVnKCIlczogJTNsdSZuYnNwOyAoczogJWx1Jm5ic3A7IHI6ICVsdSlcbiIsIF9fZnVuY19fLCBw cmVzc3VyZSw8YnI+Jmd0OyAtLSA8YnI+Jmd0OyAxLjkuMTxicj4mZ3Q7IDxicj48YnI+LS0gPGJy Pk1pY2hhbCBIb2Nrbzxicj5TVVNFIExhYnM8YnI+ ----_com.android.email_102372919589170 Content-Type: text/plain; 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