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Wed, 24 Jun 2020 13:00:05 -0700 (PDT) Date: Wed, 24 Jun 2020 13:00:04 -0700 (PDT) From: David Rientjes X-X-Sender: rientjes@chino.kir.corp.google.com To: Minchan Kim cc: Andrew Morton , LKML , Christian Brauner , linux-mm , linux-api@vger.kernel.org, oleksandr@redhat.com, Suren Baghdasaryan , Tim Murray , Sandeep Patil , Sonny Rao , Brian Geffon , Michal Hocko , Johannes Weiner , Shakeel Butt , John Dias , Joel Fernandes , Jann Horn , alexander.h.duyck@linux.intel.com, sj38.park@gmail.com, Arjun Roy , Vlastimil Babka , Christian Brauner , Daniel Colascione , Jens Axboe , Kirill Tkhai , SeongJae Park , linux-man@vger.kernel.org Subject: Re: [PATCH v8 4/4] mm/madvise: check fatal signal pending of target process In-Reply-To: <20200622192900.22757-5-minchan@kernel.org> Message-ID: References: <20200622192900.22757-1-minchan@kernel.org> <20200622192900.22757-5-minchan@kernel.org> User-Agent: Alpine 2.22 (DEB 394 2020-01-19) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 22 Jun 2020, Minchan Kim wrote: > Bail out to prevent unnecessary CPU overhead if target process has pending > fatal signal during (MADV_COLD|MADV_PAGEOUT) operation. > > Link: http://lkml.kernel.org/r/20200302193630.68771-4-minchan@kernel.org > Signed-off-by: Minchan Kim > Reviewed-by: Suren Baghdasaryan > Reviewed-by: Vlastimil Babka > Cc: Alexander Duyck > Cc: Brian Geffon > Cc: Christian Brauner > Cc: Daniel Colascione > Cc: Jann Horn > Cc: Jens Axboe > Cc: Joel Fernandes > Cc: Johannes Weiner > Cc: John Dias > Cc: Kirill Tkhai > Cc: Michal Hocko > Cc: Oleksandr Natalenko > Cc: Sandeep Patil > Cc: SeongJae Park > Cc: SeongJae Park > Cc: Shakeel Butt > Cc: Sonny Rao > Cc: Tim Murray > Cc: Christian Brauner > Cc: Acked-by: David Rientjes