| To: | Neil Brown <neilb@xxxxxxx> |
|---|---|
| Subject: | [xfs-masters] Re: [2.6 patch] i386: always use 4k stacks |
| From: | Dave Jones <davej@xxxxxxxxxx> |
| Date: | Thu, 15 Dec 2005 22:06:24 -0500 |
| Cc: | Adrian Bunk <bunk@xxxxxxxxx>, Andrew Morton <akpm@xxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, arjan@xxxxxxxxxxxxx, xfs-masters@xxxxxxxxxxx, nathans@xxxxxxx |
| In-reply-to: | <17314.11514.650036.686071@cse.unsw.edu.au> |
| Mail-followup-to: | Dave Jones <davej@xxxxxxxxxx>, Neil Brown <neilb@xxxxxxx>, Adrian Bunk <bunk@xxxxxxxxx>, Andrew Morton <akpm@xxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, arjan@xxxxxxxxxxxxx, xfs-masters@xxxxxxxxxxx, nathans@xxxxxxx |
| References: | <20051215212447.GR23349@stusta.de> <20051215140013.7d4ffd5b.akpm@osdl.org> <20051215223000.GU23349@stusta.de> <20051215231538.GF3419@redhat.com> <20051216004740.GV23349@stusta.de> <20051216005056.GG3419@redhat.com> <17314.11514.650036.686071@cse.unsw.edu.au> |
| Reply-to: | xfs-masters@xxxxxxxxxxx |
| Sender: | xfs-masters-bounce@xxxxxxxxxxx |
| User-agent: | Mutt/1.4.2.1i |
On Fri, Dec 16, 2005 at 01:56:58PM +1100, Neil Brown wrote:
> It turns out this is because it puts a 'struct iattr' on the stack so
> it can kill suid if needed. The following patch saves about 50 bytes
> off the stack in this call path.
See! it *was* worth Adrian bringing up the "kill 8kb stacks" patch again :-)
Dave
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