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a=rsa-sha256; c=relaxed/relaxed; d=stgolabs.net; s=dreamhost; t=1673453607; bh=KqIdSfYPmousuY+i1hAYcNEcFaIbxrAIfRrrhY59IL8=; h=Date:From:To:Cc:Subject:Content-Type; b=MgHokpDIPaFmfSbcnF0EHEFEvg0EoFiKyrM7Sz7SHRg0Jdy9hMryQ5+V4NEnQX+Oj PNhCzQrfq4+IaNp6XAKB6Fp/Hrjkr29MKyhqR1hm91ne+tr33nCDYpRWnB8paCpmwN a3Rj8zxogdkLlSB6kgz1P68UXMlRpsKKTqBZfA98LL8YPwnW/RCO3OyH/1qdecIVu8 S46cPS7yT0U9Bo6BbMAdBLjgmoCZgMlIoBGSddz7fKiUwOFcg4g0MH+rGLgNttS6ap ZW+pYHxNXpPl/O+Xzu9dLdHce/4Jz/A6W+V2lOPYE8w8uU+cfT4j1V3NVfQRvoGRP/ J0ftdyQQJWHgw== Date: Wed, 11 Jan 2023 07:47:26 -0800 From: Davidlohr Bueso To: Suren Baghdasaryan Subject: Re: [PATCH 13/41] mm: introduce vma->vm_flags modifier functions Message-ID: <20230111154726.stadwtzicabwh5u5@offworld> Mail-Followup-To: Suren Baghdasaryan , akpm@linux-foundation.org, michel@lespinasse.org, jglisse@google.com, mhocko@suse.com, vbabka@suse.cz, hannes@cmpxchg.org, mgorman@techsingularity.net, willy@infradead.org, liam.howlett@oracle.com, peterz@infradead.org, ldufour@linux.ibm.com, laurent.dufour@fr.ibm.com, paulmck@kernel.org, luto@kernel.org, songliubraving@fb.com, peterx@redhat.com, david@redhat.com, dhowells@redhat.com, hughd@google.com, bigeasy@linutronix.de, kent.overstreet@linux.dev, punit.agrawal@bytedance.com, lstoakes@gmail.com, peterjung1337@gmail.com, rientjes@google.com, axelrasmussen@google.com, joelaf@google.com, minchan@google.com, jannh@google.com, shakeelb@google.com, tatashin@google.com, edumazet@google.com, gthelen@google.com, gurua@google.com, arjunroy@google.com, soheil@google.com, hughlynch@google.com, leewalsh@google.com, posk@google.com, linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, x86@kernel.org, linux-kernel@vger.kernel.org, kernel-team@android.com References: <20230109205336.3665937-1-surenb@google.com> <20230109205336.3665937-14-surenb@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20230109205336.3665937-14-surenb@google.com> User-Agent: NeoMutt/20220429 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: michel@lespinasse.org, joelaf@google.com, songliubraving@fb.com, mhocko@suse.com, leewalsh@google.com, david@redhat.com, peterz@infradead.org, bigeasy@linutronix.de, peterx@redhat.com, dhowells@redhat.com, linux-mm@kvack.org, edumazet@google.com, jglisse@google.com, punit.agrawal@bytedance.com, arjunroy@google.com, minchan@google.com, x86@kernel.org, hughd@google.com, willy@infradead.org, gurua@google.com, laurent.dufour@fr.ibm.com, linux-arm-kernel@lists.infradead.org, rientjes@google.com, axelrasmussen@google.com, kernel-team@android.com, soheil@google.com, paulmck@kernel.org, jannh@google.com, liam.howlett@oracle.com, shakeelb@google.com, luto@kernel.org, gthelen@google.com, ldufour@linux.ibm.com, vbabka@suse.cz, posk@google.com, lstoakes@gmail.com, peterjung1337@gmail.com, linuxppc-dev@lists.ozlabs.org, kent.overstreet@linux.dev, hughlynch@google.com, linux-kernel@vger.kernel.org, hannes@cmpxchg.org, akpm@linux-foundation.org, tatashin@google.com, mgorman@techsingularity.net Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Mon, 09 Jan 2023, Suren Baghdasaryan wrote: >To keep vma locking correctness when vm_flags are modified, add modifier >functions to be used whenever flags are updated. How about moving this patch and the ones that follow out of this series, into a preliminary patchset? It would reduce the amount of noise in the per-vma lock changes, which would then only be adding the needed vma_write_lock()ing. Thanks, Davidlohr