Re: [PATCH 1/2] readahead: simplify ra->size testing

[Andrew Morton]

Oleg Nesterov <oleg@xxxxxxxxxx> wrote:
>
> Andrew Morton wrote:
>  > 
>  > So...  the big "how it all works" comment needs an update..
> 
>  Same patch, comment updated.

Thanks, is nice.

But I actually meant this comment, from readahead.c:

 *
 * When readahead is in the off state (size == -1UL), readahead is disabled.
 * In this state, prev_page is used to detect the resumption of sequential I/O.
 *

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