From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Shi Subject: Re: [PATCH v16 14/22] mm/thp: add tail pages into lru anyway in split_huge_page() Date: Fri, 17 Jul 2020 17:30:27 +0800 Message-ID: References: <1594429136-20002-1-git-send-email-alex.shi@linux.alibaba.com> <1594429136-20002-15-git-send-email-alex.shi@linux.alibaba.com> Mime-Version: 1.0 Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1594429136-20002-15-git-send-email-alex.shi-KPsoFbNs7GizrGE5bRqYAgC/G2K4zDHf@public.gmane.org> Sender: cgroups-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="macroman" To: akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org, mgorman-3eNAlZScCAx27rWaFMvyedHuzzzSOjJt@public.gmane.org, tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, hughd-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org, khlebnikov-XoJtRXgx1JseBXzfvpsJ4g@public.gmane.org, daniel.m.jordan-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org, yang.shi-KPsoFbNs7GizrGE5bRqYAgC/G2K4zDHf@public.gmane.org, willy-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org, hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org, lkp-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, shakeelb-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org, iamjoonsoo.kim-Hm3cg6mZ9cc@public.gmane.org, richard.weiyang-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, kirill-oKw7cIdHH8eLwutG50LtGA@public.gmane.org Cc: =?UTF-8?Q?Mika_Penttil=c3=a4?= CkFkZCBhIFZNX1dBUk5fT04gZm9yIHRyYWNraW5nLiBhbmQgdXBkYXRlZCBjb21tZW50cyBmb3Ig dGhlIGNvZGUuCgpUaGFua3MKCi0tLQpGcm9tIGYxMzgxYTE1NDc2MjVhNjUyMTc3N2JmOTIzNTgy M2Q4ZmJkMDBkYWMgTW9uIFNlcCAxNyAwMDowMDowMCAyMDAxCkZyb206IEFsZXggU2hpIDxhbGV4 LnNoaS1LUHNvRmJOczdHaXpyR0U1YlJxWUFnQy9HMks0ekRIZkBwdWJsaWMuZ21hbmUub3JnPgpE YXRlOiBGcmksIDEwIEp1bCAyMDIwIDE2OjU0OjM3ICswODAwClN1YmplY3Q6IFtQQVRDSCB2MTYg MTQvMjJdIG1tL3RocDogYWRkIHRhaWwgcGFnZXMgaW50byBscnUgYW55d2F5IGluCiBzcGxpdF9o dWdlX3BhZ2UoKQpNSU1FLVZlcnNpb246IDEuMApDb250ZW50LVR5cGU6IHRleHQvcGxhaW47IGNo YXJzZXQ9VVRGLTgKQ29udGVudC1UcmFuc2Zlci1FbmNvZGluZzogOGJpdAoKU3BsaXRfaHVnZV9w YWdlKCkgbXVzdCBzdGFydCB3aXRoIFBhZ2VMUlUoaGVhZCksIGFuZCB3ZSBhcmUgaG9sZGluZyB0 aGUKbHJ1X2xvY2sgaGVyZS4gSWYgdGhlIGhlYWQgd2FzIGNsZWFyZWQgbHJ1IGJpdCB1bmV4cGVj dGVkLCB0cmFja2luZyBpdC4KClNpZ25lZC1vZmYtYnk6IEFsZXggU2hpIDxhbGV4LnNoaS1LUHNv RmJOczdHaXpyR0U1YlJxWUFnQy9HMks0ekRIZkBwdWJsaWMuZ21hbmUub3JnPgpDYzogS2lyaWxs IEEuIFNodXRlbW92IDxraXJpbGwtb0t3N2NJZEhIOGVMd3V0RzUwTHRHQUBwdWJsaWMuZ21hbmUu b3JnPgpDYzogQW5kcmV3IE1vcnRvbiA8YWtwbS1kZS90blhUZitKTHNmSERYdmJLdjNXRDJGUUpr KzgrYkBwdWJsaWMuZ21hbmUub3JnPgpDYzogSm9oYW5uZXMgV2VpbmVyIDxoYW5uZXMtZHJ1VWd2 bDBMQ05BZnVnUnBDNnU2d0BwdWJsaWMuZ21hbmUub3JnPgpDYzogTWF0dGhldyBXaWxjb3ggPHdp bGx5LXdFR0NpS0hlMkxxV1ZmZUF3QTd4SFFAcHVibGljLmdtYW5lLm9yZz4KQ2M6IEh1Z2ggRGlj a2lucyA8aHVnaGQtaHBJcXNENEFLbGZRVDBkWlIrQWxmQUBwdWJsaWMuZ21hbmUub3JnPgpDYzog TWlrYSBQZW50dGlsw6QgPG1pa2EucGVudHRpbGEtTVJzcjdkdGhBOVZXazBIdGlrM0ovd0BwdWJs aWMuZ21hbmUub3JnPgpDYzogbGludXgtbW0tQnczMU1hWktLczNZdGp2eVc2eURzZ0BwdWJsaWMu Z21hbmUub3JnCkNjOiBsaW51eC1rZXJuZWwtdTc5dXdYTDI5VFk3Nloyck01bUhYQUBwdWJsaWMu Z21hbmUub3JnCi0tLQogbW0vaHVnZV9tZW1vcnkuYyB8IDE2ICsrKysrKysrKystLS0tLS0KIDEg ZmlsZSBjaGFuZ2VkLCAxMCBpbnNlcnRpb25zKCspLCA2IGRlbGV0aW9ucygtKQoKZGlmZiAtLWdp dCBhL21tL2h1Z2VfbWVtb3J5LmMgYi9tbS9odWdlX21lbW9yeS5jCmluZGV4IGQ4NjZiNmU0MzQz NC4uMjg1Mzg0NDQxOTdiIDEwMDY0NAotLS0gYS9tbS9odWdlX21lbW9yeS5jCisrKyBiL21tL2h1 Z2VfbWVtb3J5LmMKQEAgLTIzNDgsMTUgKzIzNDgsMTkgQEAgc3RhdGljIHZvaWQgbHJ1X2FkZF9w YWdlX3RhaWwoc3RydWN0IHBhZ2UgKmhlYWQsIHN0cnVjdCBwYWdlICpwYWdlX3RhaWwsCiAJVk1f QlVHX09OX1BBR0UoUGFnZUxSVShwYWdlX3RhaWwpLCBoZWFkKTsKIAlsb2NrZGVwX2Fzc2VydF9o ZWxkKCZscnV2ZWNfcGdkYXQobHJ1dmVjKS0+bHJ1X2xvY2spOwogCi0JaWYgKCFsaXN0KQotCQlT ZXRQYWdlTFJVKHBhZ2VfdGFpbCk7Ci0KLQlpZiAobGlrZWx5KFBhZ2VMUlUoaGVhZCkpKQotCQls aXN0X2FkZF90YWlsKCZwYWdlX3RhaWwtPmxydSwgJmhlYWQtPmxydSk7Ci0JZWxzZSBpZiAobGlz dCkgeworCWlmIChsaXN0KSB7CiAJCS8qIHBhZ2UgcmVjbGFpbSBpcyByZWNsYWltaW5nIGEgaHVn ZSBwYWdlICovCiAJCWdldF9wYWdlKHBhZ2VfdGFpbCk7CiAJCWxpc3RfYWRkX3RhaWwoJnBhZ2Vf dGFpbC0+bHJ1LCBsaXN0KTsKKwl9IGVsc2UgeworCQkvKgorCQkgKiBTcGxpdCBzdGFydCBmcm9t IFBhZ2VMUlUoaGVhZCksIGFuZCB3ZSBhcmUgaG9sZGluZyB0aGUKKwkJICogbHJ1X2xvY2suCisJ CSAqIERvIGEgd2FybmluZyBpZiB0aGUgaGVhZCdzIGxydSBiaXQgd2FzIGNsZWFyZWQgdW5leHBl Y3RlZC4KKwkJICovCisJCVZNX1dBUk5fT04oIVBhZ2VMUlUoaGVhZCkpOworCQlTZXRQYWdlTFJV KHBhZ2VfdGFpbCk7CisJCWxpc3RfYWRkX3RhaWwoJnBhZ2VfdGFpbC0+bHJ1LCAmaGVhZC0+bHJ1 KTsKIAl9CiB9CiAKLS0gCjEuOC4zLjEKCg==