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Received: from willy by casper.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1wIthf-00000009F6Q-0jSu; Fri, 01 May 2026 19:39:11 +0000 Date: Fri, 1 May 2026 20:39:10 +0100 From: Matthew Wilcox To: Barry Song Cc: akpm@linux-foundation.org, linux-mm@kvack.org, david@kernel.org, ljs@kernel.org, liam@infradead.org, vbabka@kernel.org, rppt@kernel.org, surenb@google.com, mhocko@suse.com, jack@suse.cz, pfalcato@suse.de, wanglian@kylinos.cn, chentao@kylinos.cn, lianux.mm@gmail.com, kunwu.chan@gmail.com, liyangouwen1@oppo.com, chrisl@kernel.org, kasong@tencent.com, shikemeng@huaweicloud.com, nphamcs@gmail.com, bhe@redhat.com, youngjun.park@lge.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, loongarch@lists.linux.dev, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org Subject: Re: [PATCH v2 0/5] mm: reduce mmap_lock contention and improve page fault performance Message-ID: References: <20260430040427.4672-1-baohua@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org T24gU2F0LCBNYXkgMDIsIDIwMjYgYXQgMDI6MjU6MzdBTSArMDgwMCwgQmFycnkgU29uZyB3cm90 ZToKPiBPbiBTYXQsIE1heSAyLCAyMDI2IGF0IDE6NTjigK9BTSBNYXR0aGV3IFdpbGNveCA8d2ls bHlAaW5mcmFkZWFkLm9yZz4gd3JvdGU6Cj4gPiBZZXMsIGJ1dCB0aGF0IHN0aWxsIGZhaWxzIHRv IGFuc3dlciAiZG9lcyB0aGlzIGFjdHVhbGx5IGhhcHBlbiIuICBIb3cgbXVjaAo+ID4gcGVyZm9y bWFuY2UgaXMgYWxsIHRoaXMgY29tcGxleGl0eSBpbiB0aGUgcGFnZSBmYXVsdCBoYW5kbGVyIGJ1 eWluZyB1cz8KPiA+IElmIHlvdSBkb24ndCBhbnN3ZXIgdGhpcyBxdWVzdGlvbiwgSSdtIGp1c3Qg Z29pbmcgdG8gZ28gaW4gYW5kIHJpcCBpdAo+ID4gYWxsIG91dC4KPiAKPiBJ4oCZbSBnZXR0aW5n IHF1aXRlIGNvbmZ1c2VkLiBJbiBwYXRjaCA0LzUsIHlvdSBzdWdnZXN0IGEgbW9yZQo+IHJlc3Ry aWN0aXZlIGNvbmRpdGlvbiB1c2luZwo+IGlmIChmb2xpb190ZXN0X3VwdG9kYXRlKGZvbGlvKSAm JiAhZm9saW9fdGVzdF93cml0ZWJhY2soZm9saW8pKQo+IHJhdGhlciB0aGFuIGlmIChmb2xpb190 ZXN0X3VwdG9kYXRlKGZvbGlvKSksIGJlZm9yZSB3ZSBkZWNpZGUgdG8gc2tpcAo+IHJldHJ5aW5n IHRoZSBwYWdlIGZhdWx0IFsxXS4KPiBUaGF0IHNlZW1zIHRvIHN1Z2dlc3Qgd2Ugc2hvdWxkIGJl IG1vcmUgY2F1dGlvdXMgYWJvdXQgd2hlbiB3ZSBjYW4gc2tpcAo+IHJldHJ5aW5nIHRoZSBwYWdl IGZhdWx0Lgo+IAo+IEhvd2V2ZXIsIGluIHRoZSBjb3ZlciBsZXR0ZXIsIHlvdSBzdWdnZXN0IHJl bW92aW5nIGFsbCByZXRyeSBjb2RlIGVudGlyZWx5Lgo+IERvZXMgdGhpcyBzdWdnZXN0aW9uIGFw cGx5IG9ubHkgdG8gZmlsZS1iYWNrZWQgcGFnZSBmYXVsdHM/CgpJJ20gbWFraW5nIHN1cmUgdGhh dCBpZiBBbmRyZXcgZGVjaWRlcyB0byBvdmVycmlkZSBtZSBoZSBhdCBsZWFzdCBzZWVzCnRoYXQg dGhlcmUgYXJlIG90aGVyIHByb2JsZW1zIHdpdGggdGhpcyBwYXRjaHNldCBiZXlvbmQgIkkgZG9u J3QgbGlrZQp0aGUgYWRkaXRpb25hbCBjb21wbGV4aXR5Ii4KCkFuZCBtYXliZSB3ZSBkZWNpZGUg dG8gZG8gdGhlIGZhbGxiYWNrIGZvciBhbm9uLW1tIGJ1dCBub3QgZmlsZSBtZW1vcnkuCk9yIG1h eWJlIGl0J3MganVzdCBzb21ldGhpbmcgc29tZWJvZHkgaGFwcGVucyB1cG9uIHdoZW4gcmVhZGlu ZyB0aGUKbWFpbGluZyBsaXN0IChvciBtb3JlIGxpa2VseSBpdCdzIGp1c3QgZ3Jpc3QgZm9yIGFu IEFJKS4KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxp bnV4LXJpc2N2IG1haWxpbmcgbGlzdApsaW51eC1yaXNjdkBsaXN0cy5pbmZyYWRlYWQub3JnCmh0 dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtcmlzY3YK