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Re: [patch] mm: reduce pagetable-freeing latencies
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From:
Benjamin Herrenschmidt <benh@...>
To: Hugh Dickins <hugh@...>
Cc: Andi Kleen <andi@...>, Peter Zijlstra <peterz@...>, Andrew Morton <akpm@...>, Ingo Molnar <mingo@...>, <linux-kernel@...>
Subject:
Re: [patch] mm: reduce pagetable-freeing latencies
Date: Thursday, July 26, 2007 - 5:35 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, 4:38 am)
Re: [patch] mm: reduce pagetable-freeing latencies
, Benjamin Herrenschmidt
, (Tue Jul 24, 5:40 am)
Re: [patch] mm: reduce pagetable-freeing latencies
, Andrew Morton
, (Tue Jul 24, 4:54 am)
Re: [patch] mm: reduce pagetable-freeing latencies
, Ingo Molnar
, (Tue Jul 24, 7:22 am)
Re: [patch] mm: reduce pagetable-freeing latencies
, Benjamin Herrenschmidt
, (Tue Jul 24, 5:40 am)
Re: [patch] mm: reduce pagetable-freeing latencies
, Andi Kleen
, (Tue Jul 24, 8:13 am)
Re: [patch] mm: reduce pagetable-freeing latencies
, Benjamin Herrenschmidt
, (Tue Jul 24, 5:29 pm)
Re: [patch] mm: reduce pagetable-freeing latencies
, Peter Zijlstra
, (Wed Jul 25, 2:44 am)
Re: [patch] mm: reduce pagetable-freeing latencies
, Benjamin Herrenschmidt
, (Fri Jul 27, 9:36 pm)
Re: [patch] mm: reduce pagetable-freeing latencies
, Hugh Dickins
, (Sat Jul 28, 1:54 am)
Re: [patch] mm: reduce pagetable-freeing latencies
, Benjamin Herrenschmidt
, (Sat Jul 28, 6:36 pm)
Re: [patch] mm: reduce pagetable-freeing latencies
, Andi Kleen
, (Wed Jul 25, 5:46 am)
Re: [patch] mm: reduce pagetable-freeing latencies
, Benjamin Herrenschmidt
, (Wed Jul 25, 6:08 am)
Re: [patch] mm: reduce pagetable-freeing latencies
, Andi Kleen
, (Wed Jul 25, 6:26 am)
Re: [patch] mm: reduce pagetable-freeing latencies
, Benjamin Herrenschmidt
, (Wed Jul 25, 6:46 am)
Re: [patch] mm: reduce pagetable-freeing latencies
, Hugh Dickins
, (Thu Jul 26, 1:11 pm)
Re: [patch] mm: reduce pagetable-freeing latencies
, Benjamin Herrenschmidt
, (Thu Jul 26, 5:35 pm)
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