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bh=EQj1Rbpw/H3Oe/sDGMgX6onZ6xyYKXcG7QBzM5CpJi0=; b=pyFlsOsI1W2H+d/c1dR87cu4A1 nbk3QdhQ5igmGpectY46XehGUF3atPk8mqBTiAMYhp+RVUaHnf7U7vngJ2F4UAUNwxrJuFWL2uqdB d/WzjoEOMMz3D7k6H05YXwgJRsOWxWdJDddNXfpSrUVVgHRj5tJE6frgLHjiVX5xx+Bd6y6rK5bDz BjnT1OR4KHVpKXlgod+qjgxUoNjEidgt2I4IkCQEqjwx8IU2B9gxtaWWSot0M7QRZv1MxzvStf58r evpBrKrXC124rfJ3AuHL6Tt3FC+WRpKb7tjf8+PbXNt3tbgW/GZM31sgXDj/od4TakCYHwR3VUGW7 FSgIl7pw==; Received: from willy by casper.infradead.org with local (Exim 4.99.1 #2 (Red Hat Linux)) id 1wQPd1-0000000A7eI-1OCp; Fri, 22 May 2026 13:09:27 +0000 Date: Fri, 22 May 2026 14:09:27 +0100 From: Matthew Wilcox To: "Barry Song (Xiaomi)" Cc: akpm@linux-foundation.org, bhe@redhat.com, chentao@kylinos.cn, chrisl@kernel.org, david@kernel.org, jack@suse.cz, kasong@tencent.com, kunwu.chan@gmail.com, liam@infradead.org, lianux.mm@gmail.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, liyangouwen1@oppo.com, ljs@kernel.org, loongarch@lists.linux.dev, mhocko@suse.com, nphamcs@gmail.com, nzzhao@126.com, pfalcato@suse.de, rppt@kernel.org, shikemeng@huaweicloud.com, surenb@google.com, vbabka@kernel.org, wanglian@kylinos.cn, youngjun.park@lge.com Subject: Re: [PATCH v2 0/5] mm: reduce mmap_lock contention and improve page fault performance Message-ID: References: <20260522023305.98223-1-baohua@kernel.org> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260522023305.98223-1-baohua@kernel.org> On Fri, May 22, 2026 at 10:33:05AM +0800, Barry Song (Xiaomi) wrote: > need to touch `filemap.c` at all (probably because you are already > maintaining `filemap.c` perfectly): I'm going to give you one chance to apologise for that.