From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Yang Subject: Re: [PATCH 3/5] mm/mremap: use pmd_addr_end to calculate next in move_page_tables() Date: Tue, 28 Jan 2020 08:43:01 +0800 Message-ID: <20200128004301.GD20624@richard> References: <20200117232254.2792-1-richardw.yang@linux.intel.com> <20200117232254.2792-4-richardw.yang@linux.intel.com> <7147774a-14e9-4ff3-1548-4565f0d214d5@gmail.com> Reply-To: Wei Yang Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <7147774a-14e9-4ff3-1548-4565f0d214d5@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane-mx.org@lists.infradead.org To: Dmitry Osipenko Cc: thellstrom@vmware.com, yang.shi@linux.alibaba.com, Russell King - ARM Linux , aneesh.kumar@linux.ibm.com, linux-kernel@vger.kernel.org, Jon Hunter , linux-mm@kvack.org, Thierry Reding , Wei Yang , "linux-tegra@vger.kernel.org" , kirill@shutemov.name, akpm@linux-foundation.org, dan.j.williams@intel.com, "linux-arm-kernel@lists.infradead.org" List-Id: linux-tegra@vger.kernel.org T24gU3VuLCBKYW4gMjYsIDIwMjAgYXQgMDU6NDc6NTdQTSArMDMwMCwgRG1pdHJ5IE9zaXBlbmtv IHdyb3RlOgo+MTguMDEuMjAyMCAwMjoyMiwgV2VpIFlhbmcg0L/QuNGI0LXRgjoKPj4gVXNlIHRo ZSBnZW5lcmFsIGhlbHBlciBpbnN0ZWFkIG9mIGRvIGl0IGJ5IGhhbmQuCj4+IAo+PiBTaWduZWQt b2ZmLWJ5OiBXZWkgWWFuZyA8cmljaGFyZHcueWFuZ0BsaW51eC5pbnRlbC5jb20+Cj4+IC0tLQo+ PiAgbW0vbXJlbWFwLmMgfCA3ICsrLS0tLS0KPj4gIDEgZmlsZSBjaGFuZ2VkLCAyIGluc2VydGlv bnMoKyksIDUgZGVsZXRpb25zKC0pCj4+IAo+PiBkaWZmIC0tZ2l0IGEvbW0vbXJlbWFwLmMgYi9t bS9tcmVtYXAuYwo+PiBpbmRleCBjMmFmOGJhNGJhNDMuLmEyNTg5MTRmM2VlMSAxMDA2NDQKPj4g LS0tIGEvbW0vbXJlbWFwLmMKPj4gKysrIGIvbW0vbXJlbWFwLmMKPj4gQEAgLTI1MywxMSArMjUz LDggQEAgdW5zaWduZWQgbG9uZyBtb3ZlX3BhZ2VfdGFibGVzKHN0cnVjdCB2bV9hcmVhX3N0cnVj dCAqdm1hLAo+PiAgCj4+ICAJZm9yICg7IG9sZF9hZGRyIDwgb2xkX2VuZDsgb2xkX2FkZHIgKz0g ZXh0ZW50LCBuZXdfYWRkciArPSBleHRlbnQpIHsKPj4gIAkJY29uZF9yZXNjaGVkKCk7Cj4+IC0J CW5leHQgPSAob2xkX2FkZHIgKyBQTURfU0laRSkgJiBQTURfTUFTSzsKPj4gLQkJLyogZXZlbiBp ZiBuZXh0IG92ZXJmbG93ZWQsIGV4dGVudCBiZWxvdyB3aWxsIGJlIG9rICovCj4+ICsJCW5leHQg PSBwbWRfYWRkcl9lbmQob2xkX2FkZHIsIG9sZF9lbmQpOwo+PiAgCQlleHRlbnQgPSBuZXh0IC0g b2xkX2FkZHI7Cj4+IC0JCWlmIChleHRlbnQgPiBvbGRfZW5kIC0gb2xkX2FkZHIpCj4+IC0JCQll eHRlbnQgPSBvbGRfZW5kIC0gb2xkX2FkZHI7Cj4+ICAJCW9sZF9wbWQgPSBnZXRfb2xkX3BtZCh2 bWEtPnZtX21tLCBvbGRfYWRkcik7Cj4+ICAJCWlmICghb2xkX3BtZCkKPj4gIAkJCWNvbnRpbnVl Owo+PiBAQCAtMzAxLDcgKzI5OCw3IEBAIHVuc2lnbmVkIGxvbmcgbW92ZV9wYWdlX3RhYmxlcyhz dHJ1Y3Qgdm1fYXJlYV9zdHJ1Y3QgKnZtYSwKPj4gIAo+PiAgCQlpZiAocHRlX2FsbG9jKG5ld192 bWEtPnZtX21tLCBuZXdfcG1kKSkKPj4gIAkJCWJyZWFrOwo+PiAtCQluZXh0ID0gKG5ld19hZGRy ICsgUE1EX1NJWkUpICYgUE1EX01BU0s7Cj4+ICsJCW5leHQgPSBwbWRfYWRkcl9lbmQobmV3X2Fk ZHIsIG5ld19hZGRyICsgbGVuKTsKPj4gIAkJaWYgKGV4dGVudCA+IG5leHQgLSBuZXdfYWRkcikK Pj4gIAkJCWV4dGVudCA9IG5leHQgLSBuZXdfYWRkcjsKPj4gIAkJbW92ZV9wdGVzKHZtYSwgb2xk X3BtZCwgb2xkX2FkZHIsIG9sZF9hZGRyICsgZXh0ZW50LCBuZXdfdm1hLAo+PiAKPgo+SGVsbG8g V2VpLAo+Cj5TdGFydGluZyB3aXRoIG5leHQtMjAyMDAxMjIsIEknbSBzZWVpbmcgdGhlIGZvbGxv d2luZyBpbiBLTVNHIG9uIE5WSURJQQo+VGVncmEgKEFSTTMyKToKPgo+ICBCVUc6IEJhZCByc3Mt Y291bnRlciBzdGF0ZSBtbToocHRydmFsKSB0eXBlOk1NX0FOT05QQUdFUyB2YWw6MTkwCj4KClRo YW5rcy4KCldvdWxkIHlvdSBtaW5kIGxldHRpbmcgbWUga25vdyB3aGljaCBjYXNlIHlvdSBhcmUg dGVzdGluZz8gT3IgdGhlIHNwZWNpYWwKdGhpbmcgaXMgMzItYml0IHBsYXRmb3JtPwoKPmFuZCBl dmVudHVhbGx5IGtlcm5lbCBoYW5ncy4KPgo+R2l0J3MgYmlzZWN0aW9uIHBvaW50cyB0byB0aGlz IHBhdGNoIGFuZCByZXZlcnRpbmcgaXQgaGVscHMuIFBsZWFzZSBmaXgsCj50aGFua3MgaW4gYWR2 YW5jZS4KCi0tIApXZWkgWWFuZwpIZWxwIHlvdSwgSGVscCBtZQoKX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxp c3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZy YWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=