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Date:	Thu, 25 Nov 2010 09:13:13 -0800
From:	Simon Kirby <>
To:	KOSAKI Motohiro <>
Cc:	Shaohua Li <>,
	"" <>,
	linux-kernel <>,
	Dave Hansen <>,
	Christoph Lameter <>,
	Pekka Enberg <>
Subject: Re: Free memory never fully used, swapping

On Thu, Nov 25, 2010 at 07:18:49PM +0900, KOSAKI Motohiro wrote:

> This?

> -	alloc_gfp = (flags | __GFP_NOWARN | __GFP_NORETRY) & ~__GFP_NOFAIL;
> +	alloc_gfp = (flags | __GFP_NOWARN) & ~(__GFP_NOFAIL | __GFP_WAIT);

kswapd still gets woken in the !__GFP_WAIT case, which is what I was
seeing anyway, because the order-3 allocatons were starting from

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