From: Tim Hockin <thockin@sun.com>
To: viro@parcelfarce.linux.theplanet.co.uk
Cc: Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org, torvalds@osdl.org,
viro@math.psu.edu
Subject: Re: PATCH - raise max_anon limit
Date: Wed, 11 Feb 2004 12:33:06 -0800 [thread overview]
Message-ID: <20040211203306.GI9155@sun.com> (raw)
In-Reply-To: <20040207094846.GZ21151@parcelfarce.linux.theplanet.co.uk>
On Sat, Feb 07, 2004 at 09:48:47AM +0000, viro@parcelfarce.linux.theplanet.co.uk wrote:
> > It would be better to lose the sysctl and do it all dynamically.
> >
> > Options are:
> >
> > a) realloc the bitmap when it fills up
> >
> > Simple, a bit crufty, doesn't release memory.
This can work if it's OK to allocate pages during set_max_anon() (which
includes changing the spinlock to a sema or always allocating before the
lock).
> d) grab a couple of pages and be done with that. That gives us 64Kbits.
Maybe that is just the simplest answer? It can be a simple constant that is
changeable at compile time, and leave it at that
What's most likely to cause the least argument?
> PS: psu.edu address is still valid, but I rarely read that mailbox...
Sorry - it's what was listed in MAINTAINERS, so I used it.
Tim
--
Tim Hockin
Sun Microsystems, Linux Software Engineering
thockin@sun.com
All opinions are my own, not Sun's
next prev parent reply other threads:[~2004-02-11 20:33 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-06 22:15 PATCH - raise max_anon limit Tim Hockin
2004-02-07 8:55 ` Andrew Morton
2004-02-07 9:48 ` viro
2004-02-11 20:33 ` Tim Hockin [this message]
2004-02-11 20:38 ` Linus Torvalds
2004-02-11 21:09 ` Tim Hockin
2004-02-11 21:53 ` Andrew Morton
2004-02-11 22:28 ` Tim Hockin
2004-02-11 22:48 ` Andrew Morton
[not found] ` <20040211233852.GN9155@sun.com>
[not found] ` <20040211155754.5068332c.akpm@osdl.org>
[not found] ` <20040212003840.GO9155@sun.com>
[not found] ` <20040211164233.5f233595.akpm@osdl.org>
2004-02-12 1:08 ` Tim Hockin
2004-02-12 1:20 ` Andrew Morton
2004-02-12 2:22 ` Tim Hockin
2004-02-12 17:26 ` Jim Houston
2004-02-12 18:49 ` Tim Hockin
2004-02-13 2:01 ` Jamie Lokier
2004-02-12 22:03 ` Andrew Morton
2004-02-13 1:12 ` George Anzinger
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