From: Andrew Shewmaker <agshew@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH v2 2/2] mm: tuning hardcoded reserved memory
Date: Wed, 27 Feb 2013 21:19:50 -0500 [thread overview]
Message-ID: <20130228021950.GA3829@localhost.localdomain> (raw)
In-Reply-To: <20130228141441.7dbd19be.akpm@linux-foundation.org>
On Thu, Feb 28, 2013 at 02:14:41PM -0800, Andrew Morton wrote:
> On Wed, 27 Feb 2013 16:09:25 -0500
> Andrew Shewmaker <agshew@gmail.com> wrote:
>
> > Add a rootuser_reserve_pages knob to allow admins of large memory
> > systems running with overcommit disabled to change the hardcoded
> > memory reserve to something other than 3%.
> >
> > Signed-off-by: Andrew Shewmaker <agshew@gmail.com>
> >
> > ---
> >
> > Patch based off of mmotm git tree as of February 27th.
> >
> > I set rootuser_reserve pages to be a default of 1000, and I suppose
> > I should have initialzed similarly to the way min_free_kbytes is,
> > scaling it with the size of the box. However, I wanted to get a
> > simple version of this patch out for feedback to see if it has any
> > chance of acceptance or if I need to take an entirely different
> > approach.
> >
> > Any feedback will be appreciated!
>
> Seems reasonable.
>
> Yes, we should scale the initial value according to the machine size in
> some fashion.
>
> btw, both these patches had the same title. Please avoid this.
> Documentation/SubmittingPatches section 15 has all the details.
Sorry about that. I'll resend correctly formatted patche submissions
with a scaled initial value for rootuser_reserve_pages.
Thanks for the feedback!
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WARNING: multiple messages have this Message-ID (diff)
From: Andrew Shewmaker <agshew@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH v2 2/2] mm: tuning hardcoded reserved memory
Date: Wed, 27 Feb 2013 21:19:50 -0500 [thread overview]
Message-ID: <20130228021950.GA3829@localhost.localdomain> (raw)
In-Reply-To: <20130228141441.7dbd19be.akpm@linux-foundation.org>
On Thu, Feb 28, 2013 at 02:14:41PM -0800, Andrew Morton wrote:
> On Wed, 27 Feb 2013 16:09:25 -0500
> Andrew Shewmaker <agshew@gmail.com> wrote:
>
> > Add a rootuser_reserve_pages knob to allow admins of large memory
> > systems running with overcommit disabled to change the hardcoded
> > memory reserve to something other than 3%.
> >
> > Signed-off-by: Andrew Shewmaker <agshew@gmail.com>
> >
> > ---
> >
> > Patch based off of mmotm git tree as of February 27th.
> >
> > I set rootuser_reserve pages to be a default of 1000, and I suppose
> > I should have initialzed similarly to the way min_free_kbytes is,
> > scaling it with the size of the box. However, I wanted to get a
> > simple version of this patch out for feedback to see if it has any
> > chance of acceptance or if I need to take an entirely different
> > approach.
> >
> > Any feedback will be appreciated!
>
> Seems reasonable.
>
> Yes, we should scale the initial value according to the machine size in
> some fashion.
>
> btw, both these patches had the same title. Please avoid this.
> Documentation/SubmittingPatches section 15 has all the details.
Sorry about that. I'll resend correctly formatted patche submissions
with a scaled initial value for rootuser_reserve_pages.
Thanks for the feedback!
next prev parent reply other threads:[~2013-02-28 23:50 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-27 21:09 [RFC PATCH v2 2/2] mm: tuning hardcoded reserved memory Andrew Shewmaker
2013-02-27 21:09 ` Andrew Shewmaker
2013-02-28 22:14 ` Andrew Morton
2013-02-28 22:14 ` Andrew Morton
2013-02-28 2:19 ` Andrew Shewmaker [this message]
2013-02-28 2:19 ` Andrew Shewmaker
2013-03-01 0:16 ` Simon Jeons
2013-03-01 0:16 ` Simon Jeons
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