Messages in this thread | | | Date | Fri, 30 May 2014 09:06:03 -0700 | Subject | Re: [RFC 2/2] x86_64: expand kernel stack to 16K | From | Linus Torvalds <> |
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On Fri, May 30, 2014 at 8:52 AM, H. Peter Anvin <hpa@zytor.com> wrote: >> >> That said, it's still likely a non-production option due to the page >> table games we'd have to play at fork/clone time. > > Still, seems much more tractable.
We might be able to make it more attractive by having a small front-end cache of the 16kB allocations with the second page unmapped. That would at least capture the common "lots of short-lived processes" case without having to do kernel page table work.
Linus
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