Re: [PATCH 4/4] capture pages freed during direct reclaim for allocationby the reclaimer

[Christoph Lameter]

Andy Whitcroft wrote:

>  
>  #ifndef __GENERATING_BOUNDS_H
> @@ -208,6 +211,9 @@ __PAGEFLAG(SlubDebug, slub_debug)
>   */
>  TESTPAGEFLAG(Writeback, writeback) TESTSCFLAG(Writeback, writeback)
>  __PAGEFLAG(Buddy, buddy)
> +PAGEFLAG(BuddyCapture, buddy_capture)	/* A buddy page, but reserved. */
> +	__SETPAGEFLAG(BuddyCapture, buddy_capture)
> +	__CLEARPAGEFLAG(BuddyCapture, buddy_capture)

Doesnt __PAGEFLAG do what you want without having to explicitly specify
__SET/__CLEAR?


How does page allocator fastpath behavior fare with this pathch?
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