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SubjectRe: [PATCH 1/9] readahead: introduce PG_readahead
On Thu, 2007-05-17 at 06:47 +0800, Fengguang Wu wrote:
> plain text document attachment (mm-introduce-pg_readahead.patch)
> Introduce a new page flag: PG_readahead.
> It acts as a look-ahead mark, which tells the page reader:
> Hey, it's time to invoke the read-ahead logic. For the sake of I/O pipelining,
> don't wait until it runs out of cached pages!

Hi Fengguang!

I've been reading your patches, and I have some (possibly dumb!)

For this patch: why set a bit in the page, rather than keep a value
inside the "struct file_ra_state"?


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