Re: [PATCH] earlier allocation of order 0 pages from pcp in__alloc_pages

[Andrew Morton]

"Seth, Rohit" <rohit.seth@xxxxxxxxx> wrote:
>
> 	[PATCH]: Try to service a order 0 page request in __alloc_pages from the pcp list before checking the aone_watermarks.
>
>         Try to service a order 0 page request from pcp list.  This will allow us to not check and possibly start the reclaim activity when there are free pages present on the pcp.  This early allocation does not try to replenish an empty pcp.

(Please avoid the 240-column emails!)

Why is this a desirable change to make?
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