From: Vlastimil Babka <vbabka@suse.cz>
To: Michal Hocko <mhocko@kernel.org>, Jan Kara <jack@suse.cz>
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>,
Mel Gorman <mgorman@suse.de>, Dave Chinner <david@fromorbit.com>,
Mark Fasheh <mfasheh@suse.com>,
ocfs2-devel@oss.oracle.com, ceph-devel@vger.kernel.org,
linux-fsdevel@vger.kernel.org,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] mm: Allow GFP_IOFS for page_cache_read page cache allocation
Date: Fri, 27 Nov 2015 17:40:41 +0100 [thread overview]
Message-ID: <56588789.1010300@suse.cz> (raw)
In-Reply-To: <20151126150820.GI7953@dhcp22.suse.cz>
On 11/26/2015 04:08 PM, Michal Hocko wrote:
> On Thu 12-11-15 10:53:01, Jan Kara wrote:
>> On Wed 11-11-15 15:13:53, mhocko@kernel.org wrote:
>>>
>>> Hi,
>>> this has been posted previously as a part of larger GFP_NOFS related
>>> patch set (http://lkml.kernel.org/r/1438768284-30927-1-git-send-email-mhocko%40kernel.org)
>>> but I think it makes sense to discuss it even out of that scope.
>>>
>>> I would like to hear FS and other MM people about the proposed interface.
>>> Using mapping_gfp_mask blindly doesn't sound good to me and vm_fault
>>> looks like a proper channel to communicate between MM and FS layers.
>>>
>>> Comments? Are there any better ideas?
>>
>> Makes sense to me and the filesystems I know should be fine with this
>> (famous last words ;). Feel free to add:
>>
>> Acked-by: Jan Kara <jack@suse.com>
>
> Thanks a lot! Are there any objections from other fs/mm people?
Please replace "GFP_IOFS" in the subject, as the "flag" has been removed
recently. Otherwise
Acked-by: Vlastimil Babka <vbabka@suse.cz>
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WARNING: multiple messages have this Message-ID (diff)
From: Vlastimil Babka <vbabka@suse.cz>
To: Michal Hocko <mhocko@kernel.org>, Jan Kara <jack@suse.cz>
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>,
Mel Gorman <mgorman@suse.de>, Dave Chinner <david@fromorbit.com>,
Mark Fasheh <mfasheh@suse.com>,
ocfs2-devel@oss.oracle.com, ceph-devel@vger.kernel.org,
linux-fsdevel@vger.kernel.org,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] mm: Allow GFP_IOFS for page_cache_read page cache allocation
Date: Fri, 27 Nov 2015 17:40:41 +0100 [thread overview]
Message-ID: <56588789.1010300@suse.cz> (raw)
In-Reply-To: <20151126150820.GI7953@dhcp22.suse.cz>
On 11/26/2015 04:08 PM, Michal Hocko wrote:
> On Thu 12-11-15 10:53:01, Jan Kara wrote:
>> On Wed 11-11-15 15:13:53, mhocko@kernel.org wrote:
>>>
>>> Hi,
>>> this has been posted previously as a part of larger GFP_NOFS related
>>> patch set (http://lkml.kernel.org/r/1438768284-30927-1-git-send-email-mhocko%40kernel.org)
>>> but I think it makes sense to discuss it even out of that scope.
>>>
>>> I would like to hear FS and other MM people about the proposed interface.
>>> Using mapping_gfp_mask blindly doesn't sound good to me and vm_fault
>>> looks like a proper channel to communicate between MM and FS layers.
>>>
>>> Comments? Are there any better ideas?
>>
>> Makes sense to me and the filesystems I know should be fine with this
>> (famous last words ;). Feel free to add:
>>
>> Acked-by: Jan Kara <jack@suse.com>
>
> Thanks a lot! Are there any objections from other fs/mm people?
Please replace "GFP_IOFS" in the subject, as the "flag" has been removed
recently. Otherwise
Acked-by: Vlastimil Babka <vbabka@suse.cz>
next prev parent reply other threads:[~2015-11-27 16:40 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-11 14:13 [PATCH] mm: Allow GFP_IOFS for page_cache_read page cache allocation mhocko
2015-11-11 14:13 ` mhocko
2015-11-11 14:13 ` mhocko
2015-11-11 14:13 ` mhocko
2015-11-12 9:53 ` Jan Kara
2015-11-12 9:53 ` Jan Kara
2015-11-12 9:53 ` [Ocfs2-devel] " Jan Kara
2015-11-26 15:08 ` Michal Hocko
2015-11-26 15:08 ` Michal Hocko
2015-11-27 16:40 ` Vlastimil Babka [this message]
2015-11-27 16:40 ` Vlastimil Babka
2015-11-27 17:05 ` Michal Hocko
2015-11-27 17:05 ` Michal Hocko
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