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Received: from willy by casper.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1wIs7c-000000098SG-2Rmh; Fri, 01 May 2026 17:57:52 +0000 Date: Fri, 1 May 2026 18:57:52 +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 T24gU2F0LCBNYXkgMDIsIDIwMjYgYXQgMDE6NDQ6MzRBTSArMDgwMCwgQmFycnkgU29uZyB3cm90 ZToKPiBPbiBGcmksIE1heSAxLCAyMDI2IGF0IDEwOjU34oCvUE0gTWF0dGhldyBXaWxjb3ggPHdp bGx5QGluZnJhZGVhZC5vcmc+IHdyb3RlOgo+ID4KPiA+IE9uIEZyaSwgTWF5IDAxLCAyMDI2IGF0 IDA2OjQ5OjU4QU0gKzA4MDAsIEJhcnJ5IFNvbmcgd3JvdGU6Cj4gPiA+IDEuIFRoZXJlIGlzIG5v IGRldGVybWluaXN0aWMgbGF0ZW5jeSBmb3IgSS9PIGNvbXBsZXRpb24uIEl0IGRlcGVuZHMgb24K PiA+ID4gYm90aCB0aGUgaGFyZHdhcmUgYW5kIHRoZSBzb2Z0d2FyZSBzdGFjayAoYmlvL3JlcXVl c3QgcXVldWVzIGFuZCB0aGUKPiA+ID4gYmxvY2sgc2NoZWR1bGVyKS4gU29tZXRpbWVzIHRoZSBs YXRlbmN5IGlzIHNob3J0OyBhdCBvdGhlciB0aW1lcyBpdCBjYW4KPiA+ID4gYmUgcXVpdGUgbG9u Zy4gSW4gc3VjaCBjYXNlcywgYSBoaWdoLXByaW9yaXR5IHRocmVhZCBwZXJmb3JtaW5nIG9wZXJh dGlvbnMKPiA+ID4gc3VjaCBhcyBtcHJvdGVjdCwgdW5tYXAsIHByY3RsX3NldF92bWEsIG9yIG1h ZHZpc2UgbWF5IGJlIGZvcmNlZCB0byB3YWl0Cj4gPiA+IGZvciBhbiB1bnByZWRpY3RhYmxlIGFt b3VudCBvZiB0aW1lLgo+ID4KPiA+IEJ1dCBkb2VzIHRoYXQgYWN0dWFsbHkgaGFwcGVuPyAgSSBm aW5kIGl0IGhhcmQgdG8gYmVsaWV2ZSB0aGF0IHRocmVhZCBBCj4gPiB1bm1hcHMgYSBWTUEgd2hp bGUgdGhyZWFkIEIgaXMgaW4gdGhlIG1pZGRsZSBvZiB0YWtpbmcgYSBwYWdlIGZhdWx0IGluCj4g PiB0aGF0IHNhbWUgVk1BLiAgbXByb3RlY3QoKSBhbmQgbWFkdmlzZSgpIGFyZSBtb3JlIGxpa2Vs eSB0byBoYXBwZW4sIGJ1dAo+ID4gaXQgc3RpbGwgc2VlbXMgcmVhbGx5IHVubGlrZWx5IHRvIG1l Lgo+IAo+IEl0IGRvZXNu4oCZdCBoYXZlIHRvIGludm9sdmUgdW5tYXBwaW5nIG9yIGFwcGx5aW5n IG1wcm90ZWN0IHRvCj4gdGhlIGVudGlyZSBWTUHigJRqdXN0IGEgcG9ydGlvbiBvZiBpdCBpcyBz dWZmaWNpZW50LgoKWWVzLCBidXQgdGhhdCBzdGlsbCBmYWlscyB0byBhbnN3ZXIgImRvZXMgdGhp cyBhY3R1YWxseSBoYXBwZW4iLiAgSG93IG11Y2gKcGVyZm9ybWFuY2UgaXMgYWxsIHRoaXMgY29t cGxleGl0eSBpbiB0aGUgcGFnZSBmYXVsdCBoYW5kbGVyIGJ1eWluZyB1cz8KSWYgeW91IGRvbid0 IGFuc3dlciB0aGlzIHF1ZXN0aW9uLCBJJ20ganVzdCBnb2luZyB0byBnbyBpbiBhbmQgcmlwIGl0 CmFsbCBvdXQuCgo+IEJUVywgdGhlIGNoYWluIGNhbiBwcm9wYWdhdGU6IGEgcGFnZSBmYXVsdCBv Y2N1cnMsIEIgd2FudHMgdG8gd3JpdGUgdGhpcwo+IFZNQSwgYW5kIEMgKGEgaGlnaGVyLXByaW9y aXR5IHRhc2spIHdhbnRzIHRvIHdyaXRlIGFub3RoZXIgVk1BLiBEIG1heSBuZWVkCj4gdG8gaXRl cmF0ZSBWTUFzIHVuZGVyIG1tYXBfbG9jaywgc28gQiBjYW4gZW5kIHVwIGJsb2NraW5nIGJvdGgg QyBhbmQgRC4KCkkga25vdy4KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fCmxpbnV4LXJpc2N2IG1haWxpbmcgbGlzdApsaW51eC1yaXNjdkBsaXN0cy5pbmZy YWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGlu dXgtcmlzY3YK