From: Pekka Enberg <penberg@kernel.org>
To: Minchan Kim <minchan@kernel.org>
Cc: Anton Vorontsov <anton.vorontsov@linaro.org>,
Mel Gorman <mgorman@suse.de>,
Leonid Moiseichuk <leonid.moiseichuk@nokia.com>,
KOSAKI Motohiro <kosaki.motohiro@gmail.com>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
John Stultz <john.stultz@linaro.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
linaro-kernel@lists.linaro.org, patches@linaro.org,
kernel-team@android.com, linux-man@vger.kernel.org
Subject: Re: [RFC v2 0/2] vmevent: A bit reworked pressure attribute + docs + man page
Date: Thu, 25 Oct 2012 09:44:52 +0300 [thread overview]
Message-ID: <CAOJsxLGsjTe13WjY_Q=BLBELwQXOjuwo7PiEKwONHUfR4mQmig@mail.gmail.com> (raw)
In-Reply-To: <20121025064009.GA15767@bbox>
On Thu, Oct 25, 2012 at 9:40 AM, Minchan Kim <minchan@kernel.org> wrote:
> Your description doesn't include why we need new vmevent_fd(2).
> Of course, it's very flexible and potential to add new VM knob easily but
> the thing we is about to use now is only VMEVENT_ATTR_PRESSURE.
> Is there any other use cases for swap or free? or potential user?
> Adding vmevent_fd without them is rather overkill.
What ABI would you use instead?
On Thu, Oct 25, 2012 at 9:40 AM, Minchan Kim <minchan@kernel.org> wrote:
> I don't object but we need rationale for adding new system call which should
> be maintained forever once we add it.
Agreed.
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next prev parent reply other threads:[~2012-10-25 6:44 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-22 11:19 Anton Vorontsov
2012-10-22 11:21 ` [RFC 1/2] vmevent: Implement pressure attribute Anton Vorontsov
2012-10-24 9:03 ` Pekka Enberg
2012-10-25 2:23 ` Anton Vorontsov
2012-10-25 8:38 ` Minchan Kim
2012-10-22 11:22 ` [RFC 2/2] man-pages: Add man page for vmevent_fd(2) Anton Vorontsov
2012-10-25 6:40 ` [RFC v2 0/2] vmevent: A bit reworked pressure attribute + docs + man page Minchan Kim
2012-10-25 6:44 ` Pekka Enberg [this message]
2012-10-25 8:53 ` Minchan Kim
2012-10-25 9:08 ` Anton Vorontsov
2012-10-25 9:23 ` Anton Vorontsov
2012-10-26 2:37 ` Minchan Kim
2012-10-27 1:02 ` Anton Vorontsov
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