Messages in this thread | | | Date | Mon, 28 Jul 2008 14:23:54 -0700 | From | Eric B Munson <> | Subject | Re: [RFC] [PATCH 0/5 V2] Huge page backed user-space stacks |
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On Mon, 28 Jul 2008, Dave Hansen wrote:
> On Mon, 2008-07-28 at 12:17 -0700, Eric Munson wrote: > > > > This patch stack introduces a personality flag that indicates the > > kernel > > should setup the stack as a hugetlbfs-backed region. A userspace > > utility > > may set this flag then exec a process whose stack is to be backed by > > hugetlb pages. > > I didn't see it mentioned here, but these stacks are fixed-size, right? > They can't actually grow and are fixed in size at exec() time, right? > > -- Dave
The stack VMA is a fixed size but the pages will be faulted in as needed.
-- Eric B Munson IBM Linux Technology Center ebmunson@us.ibm.com
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