From: Christoph Lameter <clameter@sgi.com>
To: William Lee Irwin III <wli@holomorphy.com>
Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org
Subject: Re: [i386] Use page allocator to allocate threadinfo structure
Date: Thu, 5 Apr 2007 11:15:22 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.64.0704051114100.9800@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <20070405083021.GR2986@holomorphy.com>
On Thu, 5 Apr 2007, William Lee Irwin III wrote:
> On Wed, Apr 04, 2007 at 05:40:31PM -0700, Christoph Lameter wrote:
> > Replace the calls to kmalloc with calls into the page allocator.
> > An alternate solution may be to create a custom slab cache where the
> > alignment is set to PAGE_SIZE. That would allow slub debugging to be
> > applied to the threadinfo structure.
> > Signed-off-by: Christoph Lameter <clameter@sgi.com>
>
> This was originally made a slab allocation as a preparatory cleanup
> for things that were never merged, and are never likely to be. One
> might as well revert it, though it does make stack space usage
> slightly more difficult to account for.
No other platform does account for kernel stack space though. And you got
two pages per process. Pretty straightforward.
prev parent reply other threads:[~2007-04-05 18:15 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-05 0:40 Christoph Lameter
2007-04-05 8:30 ` William Lee Irwin III
2007-04-05 18:15 ` Christoph Lameter [this message]
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