Andrew,
Here are the mmap read-around related patches initiated by Linus.
They are for linux-2.6.24-rc5-mm1. They're mainly about code cleanups.
The only major new feature - auto detection and early readahead for mmap
sequential reads - shows about 2% speedup on single stream case, and should
Andrew,
Here are the mmap read-around related patches initiated by Linus.
They are for linux-2.6.24-rc5-mm1. They're mainly about code cleanups.
The only major new feature - auto detection and early readahead for mmap
sequential reads - shows about 2% speedup on single stream case, and should
On Sun, Dec 16, 2007 at 03:35:58PM -0800, Linus Torvalds wrote:
>
>
> On Sun, 16 Dec 2007, Fengguang Wu wrote:
> >
> > Here are the mmap read-around related patches initiated by Linus.
> > They are for linux-2.6.24-rc4-mm1. The one major new feature -
> > auto detection and early readahead for
On Tue, Dec 18, 2007 at 07:46:09PM +0800, Fengguang Wu wrote:
> No timings for now... but I wrote a debug patch(attached) and watched
> it running for about a week. Here are some interesting numbers:
Here are the (forgotten) readahead-debug.patch:
---
include/linux/fs.h | 43
On Sun, Dec 16, 2007 at 03:35:58PM -0800, Linus Torvalds wrote:
>
>
> On Sun, 16 Dec 2007, Fengguang Wu wrote:
> >
> > Here are the mmap read-around related patches initiated by Linus.
> > They are for linux-2.6.24-rc4-mm1. The one major new feature -
> > auto detection and early readahead for
On Sun, Dec 16, 2007 at 03:35:58PM -0800, Linus Torvalds wrote:
On Sun, 16 Dec 2007, Fengguang Wu wrote:
Here are the mmap read-around related patches initiated by Linus.
They are for linux-2.6.24-rc4-mm1. The one major new feature -
auto detection and early readahead for mmap
On Tue, Dec 18, 2007 at 07:46:09PM +0800, Fengguang Wu wrote:
No timings for now... but I wrote a debug patch(attached) and watched
it running for about a week. Here are some interesting numbers:
Here are the (forgotten) readahead-debug.patch:
---
include/linux/fs.h | 43
On Sun, Dec 16, 2007 at 03:35:58PM -0800, Linus Torvalds wrote:
On Sun, 16 Dec 2007, Fengguang Wu wrote:
Here are the mmap read-around related patches initiated by Linus.
They are for linux-2.6.24-rc4-mm1. The one major new feature -
auto detection and early readahead for mmap
On Sun, 16 Dec 2007, Fengguang Wu wrote:
>
> Here are the mmap read-around related patches initiated by Linus.
> They are for linux-2.6.24-rc4-mm1. The one major new feature -
> auto detection and early readahead for mmap sequential reads - runs
> as expected on my desktop :-)
Just out of
Andrew,
Here are the mmap read-around related patches initiated by Linus.
They are for linux-2.6.24-rc4-mm1. The one major new feature -
auto detection and early readahead for mmap sequential reads - runs
as expected on my desktop :-)
[PATCH 1/9] readahead: simplify readahead call scheme
On Sun, 16 Dec 2007, Fengguang Wu wrote:
Here are the mmap read-around related patches initiated by Linus.
They are for linux-2.6.24-rc4-mm1. The one major new feature -
auto detection and early readahead for mmap sequential reads - runs
as expected on my desktop :-)
Just out of interest
Andrew,
Here are the mmap read-around related patches initiated by Linus.
They are for linux-2.6.24-rc4-mm1. The one major new feature -
auto detection and early readahead for mmap sequential reads - runs
as expected on my desktop :-)
[PATCH 1/9] readahead: simplify readahead call scheme
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