Messages in this thread | | | Date | Mon, 21 Apr 2008 16:29:48 +0200 | From | Ingo Molnar <> | Subject | Re: x86: 4kstacks default |
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* Andrew Morton <akpm@linux-foundation.org> wrote:
> > On Sun, 20 Apr 2008 11:50:53 -0700 Arjan van de Ven <arjan@infradead.org> wrote: > > On Sun, 20 Apr 2008 20:19:30 +0200 > > Andi Kleen <andi@firstfloor.org> wrote: > > > > > In theory if you e.g. convert a recursive algorithm > > > to iterative you might save some cache foot print, but I don't > > > think that really happens in kernel code. > > > > > > > this is what Al did for the symlink recursion thing, and Jens did > > for the block layer... so yes this conversion does happen for real. > > md got mostly-fixed too, via Neil's patch which sat in -mm for nearly > two years.
had we done the de-obfuscate-4K-stacks Kconfig change earlier it might have gotten upstream faster.
Ingo
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