Messages in this thread | | | Subject | Re: [PATCH 1/9] readahead: introduce PG_readahead | From | Rusty Russell <> | Date | Tue, 12 Jun 2007 11:04:54 +1000 |
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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!) questions.
For this patch: why set a bit in the page, rather than keep a value inside the "struct file_ra_state"?
Thanks, Rusty.
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