From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A8E9BC05027 for ; Thu, 26 Jan 2023 22:46:32 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4P2wmk6dZRz3fJH for ; Fri, 27 Jan 2023 09:46:30 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.a=rsa-sha256 header.s=201909 header.b=lXPZDhnK; dkim-atps=neutral Received: from gandalf.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4P2wlj46WVz3bfk for ; Fri, 27 Jan 2023 09:45:37 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.a=rsa-sha256 header.s=201909 header.b=lXPZDhnK; dkim-atps=neutral Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4P2wlT4JJLz4xP9; Fri, 27 Jan 2023 09:45:25 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ellerman.id.au; s=201909; t=1674773130; bh=XOKb+ncwVNSj6JKEiaBHvEDttpakjMycwDg9zTg++Is=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=lXPZDhnKp+sd6gqb53jikb6eOO6odHtdILrgzMgKDSyLuMoDiBgRP+ELHuco2Pk5j bExTu6/51nR17KrDBvMMVYYRMM2grTktq8Y19ZTAzOGve6zQ0RyaYuxJJU/ccYwlLq VARaTKbguSWg8orJhovLaoxUEZ/5QmZ4v3DA+YJ3tYKHLpmDuiMv8TMcbVpE+OaslI cN4ip7nvjhM/ywEx0AI/tTtnUKDaMxc8nsEcWchZvTI/jVdU5mh3Uk7y/gMUlLr/rh I1ETMQKGU6oSz8J0oiWM1S5u/Qz57DHabOJzXwIqRnptofS40o/hs7F8nK2MOsp1A7 36j8Yufdy8jkw== From: Michael Ellerman To: Suren Baghdasaryan , akpm@linux-foundation.org Subject: Re: [PATCH v4 5/7] mm: replace vma->vm_flags indirect modification in ksm_madvise In-Reply-To: <20230126193752.297968-6-surenb@google.com> References: <20230126193752.297968-1-surenb@google.com> <20230126193752.297968-6-surenb@google.com> Date: Fri, 27 Jan 2023 09:45:23 +1100 Message-ID: <87o7qkzzi4.fsf@mpe.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain 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, will@kernel.org, arjunroy@google.com, dave@stgolabs.net, minchan@google.com, x86@kernel.org, hughd@google.com, willy@infradead.org, gurua@google.com, mingo@redhat.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, surenb@google.com, vbabka@suse.cz, posk@google.com, lstoakes@gmail.com, peterjung1337@gmail.com, linuxppc-dev@lists.ozlabs.org, kent.overstreet@linux.dev, linux-kernel@vger.kernel.org, hannes@cmpxchg.org, tatashin@google.com, mgorman@techsingularity.net, rp pt@kernel.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Suren Baghdasaryan writes: > Replace indirect modifications to vma->vm_flags with calls to modifier > functions to be able to track flag changes and to keep vma locking > correctness. > > Signed-off-by: Suren Baghdasaryan > Acked-by: Michal Hocko > Acked-by: Mel Gorman > Acked-by: Mike Rapoport (IBM) > --- > arch/powerpc/kvm/book3s_hv_uvmem.c | 6 +++++- Acked-by: Michael Ellerman (powerpc) cheers From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A9952C54EAA for ; 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Thu, 26 Jan 2023 22:45:44 +0000 Received: from gandalf.ozlabs.org ([150.107.74.76]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pLAzz-00CgeT-Bm for linux-arm-kernel@lists.infradead.org; Thu, 26 Jan 2023 22:45:42 +0000 Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4P2wlT4JJLz4xP9; Fri, 27 Jan 2023 09:45:25 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ellerman.id.au; s=201909; t=1674773130; bh=XOKb+ncwVNSj6JKEiaBHvEDttpakjMycwDg9zTg++Is=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=lXPZDhnKp+sd6gqb53jikb6eOO6odHtdILrgzMgKDSyLuMoDiBgRP+ELHuco2Pk5j bExTu6/51nR17KrDBvMMVYYRMM2grTktq8Y19ZTAzOGve6zQ0RyaYuxJJU/ccYwlLq VARaTKbguSWg8orJhovLaoxUEZ/5QmZ4v3DA+YJ3tYKHLpmDuiMv8TMcbVpE+OaslI cN4ip7nvjhM/ywEx0AI/tTtnUKDaMxc8nsEcWchZvTI/jVdU5mh3Uk7y/gMUlLr/rh I1ETMQKGU6oSz8J0oiWM1S5u/Qz57DHabOJzXwIqRnptofS40o/hs7F8nK2MOsp1A7 36j8Yufdy8jkw== From: Michael Ellerman To: Suren Baghdasaryan , akpm@linux-foundation.org Cc: michel@lespinasse.org, jglisse@google.com, mhocko@suse.com, vbabka@suse.cz, hannes@cmpxchg.org, mgorman@techsingularity.net, dave@stgolabs.net, willy@infradead.org, liam.howlett@oracle.com, peterz@infradead.org, ldufour@linux.ibm.com, paulmck@kernel.org, mingo@redhat.com, will@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, rppt@kernel.org, jannh@google.com, shakeelb@google.com, tatashin@google.com, edumazet@google.com, gthelen@google.com, gurua@google.com, arjunroy@google.com, soheil@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, surenb@google.com Subject: Re: [PATCH v4 5/7] mm: replace vma->vm_flags indirect modification in ksm_madvise In-Reply-To: <20230126193752.297968-6-surenb@google.com> References: <20230126193752.297968-1-surenb@google.com> <20230126193752.297968-6-surenb@google.com> Date: Fri, 27 Jan 2023 09:45:23 +1100 Message-ID: <87o7qkzzi4.fsf@mpe.ellerman.id.au> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230126_144540_657405_826A1BA4 X-CRM114-Status: UNSURE ( 6.22 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@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="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Suren Baghdasaryan writes: > Replace indirect modifications to vma->vm_flags with calls to modifier > functions to be able to track flag changes and to keep vma locking > correctness. > > Signed-off-by: Suren Baghdasaryan > Acked-by: Michal Hocko > Acked-by: Mel Gorman > Acked-by: Mike Rapoport (IBM) > --- > arch/powerpc/kvm/book3s_hv_uvmem.c | 6 +++++- Acked-by: Michael Ellerman (powerpc) cheers _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 73C7AC54EAA for ; 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dmarc=none ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1674773135; a=rsa-sha256; cv=none; b=F/i3EWVkBf3U+DP348GpjB4s3IPb69TWcKRqaTCZ7eMQeMY6KbP3m81D3TgxjeztI0d8Qb ZKntKEn6/xb0f5ixTX9YhhOcrqi0qEZW7T3Q4SgUmq+sOK4P7xld7zA73Ufa8eIHIxBmxH bFBuApXGkDb+IRNBePfBEr7joBYyX7k= Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4P2wlT4JJLz4xP9; Fri, 27 Jan 2023 09:45:25 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ellerman.id.au; s=201909; t=1674773130; bh=XOKb+ncwVNSj6JKEiaBHvEDttpakjMycwDg9zTg++Is=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=lXPZDhnKp+sd6gqb53jikb6eOO6odHtdILrgzMgKDSyLuMoDiBgRP+ELHuco2Pk5j bExTu6/51nR17KrDBvMMVYYRMM2grTktq8Y19ZTAzOGve6zQ0RyaYuxJJU/ccYwlLq VARaTKbguSWg8orJhovLaoxUEZ/5QmZ4v3DA+YJ3tYKHLpmDuiMv8TMcbVpE+OaslI cN4ip7nvjhM/ywEx0AI/tTtnUKDaMxc8nsEcWchZvTI/jVdU5mh3Uk7y/gMUlLr/rh I1ETMQKGU6oSz8J0oiWM1S5u/Qz57DHabOJzXwIqRnptofS40o/hs7F8nK2MOsp1A7 36j8Yufdy8jkw== From: Michael Ellerman To: Suren Baghdasaryan , akpm@linux-foundation.org Cc: michel@lespinasse.org, jglisse@google.com, mhocko@suse.com, vbabka@suse.cz, hannes@cmpxchg.org, mgorman@techsingularity.net, dave@stgolabs.net, willy@infradead.org, liam.howlett@oracle.com, peterz@infradead.org, ldufour@linux.ibm.com, paulmck@kernel.org, mingo@redhat.com, will@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, rppt@kernel.org, jannh@google.com, shakeelb@google.com, tatashin@google.com, edumazet@google.com, gthelen@google.com, gurua@google.com, arjunroy@google.com, soheil@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, surenb@google.com Subject: Re: [PATCH v4 5/7] mm: replace vma->vm_flags indirect modification in ksm_madvise In-Reply-To: <20230126193752.297968-6-surenb@google.com> References: <20230126193752.297968-1-surenb@google.com> <20230126193752.297968-6-surenb@google.com> Date: Fri, 27 Jan 2023 09:45:23 +1100 Message-ID: <87o7qkzzi4.fsf@mpe.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 3F1CAA0014 X-Stat-Signature: ose94darpcu3ny733g5foi9cg3fj6ss8 X-Rspam-User: X-HE-Tag: 1674773133-580709 X-HE-Meta: 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 vxu9Tdvi IVWWy+0EGdIVUNz8qz3C5yBrnfF2lfP7BB/4OyXbVGPCvIQpEjMu9e4wpZOWs+AQFEm/OAKXj+52jYADON/+qhMARLFp40JnbRmZltAkztjWv36ZWccQldKf51kqnI6S48yOvw9S2KpqpVXN1rnPB/lPuZW3PUXChrsy7tx7I7PHOlL0LD7Z2UIZ20WjztynGRxlxdCiwhP+J78rltOzfVX+LGMRyFm/0SeoFr6mWnMxEbarbKN+9Q5nqcZeXCrkNvAZVM+kqEjLyRX9+0HucwYzjESNHbEn7wY8KCRkGYSwJKUd5xnigKfLqzTLDUrOsyzYO4xIDttAqhGe0rL3zeqdt5Rt3TRmU7uBfvq72y8Zoa3Wfg1vdDta7tSt8mWIvyUgYlb+pwUObEGI= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Suren Baghdasaryan writes: > Replace indirect modifications to vma->vm_flags with calls to modifier > functions to be able to track flag changes and to keep vma locking > correctness. > > Signed-off-by: Suren Baghdasaryan > Acked-by: Michal Hocko > Acked-by: Mel Gorman > Acked-by: Mike Rapoport (IBM) > --- > arch/powerpc/kvm/book3s_hv_uvmem.c | 6 +++++- Acked-by: Michael Ellerman (powerpc) cheers