Re: [patch] mm: reduce pagetable-freeing latencies

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From: Benjamin Herrenschmidt

Subject: Re: [patch] mm: reduce pagetable-freeing latencies

Date: Thursday, July 26, 2007 - 2:35 pm

On Thu, 2007-07-26 at 18:11 +0100, Hugh Dickins wrote:
quoted text> That will often be the case for anonymous pages, but not for pagecache
> pages.  I had wondered whether to make exit_mmap unmap the stack first
> (rather than text first as usually happens), but seems rather a hack.

Yup and defeated by HIGHMEM ,so I'm back to per-cpu page lists for now
and we'll see how to move to the next step once I've ironed out other
issues such as sparc64/ia64 related bits.

Ben.


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Messages in current thread:

[patch] mm: reduce pagetable-freeing latencies, Ingo Molnar, (Tue Jul 24, 1:38 am)

Re: [patch] mm: reduce pagetable-freeing latencies, Andrew Morton, (Tue Jul 24, 1:54 am)

Re: [patch] mm: reduce pagetable-freeing latencies, Benjamin Herrenschmidt, (Tue Jul 24, 2:40 am)

Re: [patch] mm: reduce pagetable-freeing latencies, Ingo Molnar, (Tue Jul 24, 4:22 am)

Re: [patch] mm: reduce pagetable-freeing latencies, Andi Kleen, (Tue Jul 24, 5:13 am)

Re: [patch] mm: reduce pagetable-freeing latencies, Benjamin Herrenschmidt, (Tue Jul 24, 2:29 pm)

Re: [patch] mm: reduce pagetable-freeing latencies, Peter Zijlstra, (Tue Jul 24, 11:44 pm)

Re: [patch] mm: reduce pagetable-freeing latencies, Andi Kleen, (Wed Jul 25, 2:46 am)

Re: [patch] mm: reduce pagetable-freeing latencies, Benjamin Herrenschmidt, (Wed Jul 25, 3:08 am)

Re: [patch] mm: reduce pagetable-freeing latencies, Andi Kleen, (Wed Jul 25, 3:26 am)

Re: [patch] mm: reduce pagetable-freeing latencies, Benjamin Herrenschmidt, (Wed Jul 25, 3:46 am)

Re: [patch] mm: reduce pagetable-freeing latencies, Hugh Dickins, (Thu Jul 26, 10:11 am)

Re: [patch] mm: reduce pagetable-freeing latencies, Benjamin Herrenschmidt, (Thu Jul 26, 2:35 pm)

Re: [patch] mm: reduce pagetable-freeing latencies, Benjamin Herrenschmidt, (Fri Jul 27, 6:36 pm)

Re: [patch] mm: reduce pagetable-freeing latencies, Hugh Dickins, (Fri Jul 27, 10:54 pm)

Re: [patch] mm: reduce pagetable-freeing latencies, Benjamin Herrenschmidt, (Sat Jul 28, 3:36 pm)


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