Re: [PATCH] allocation looping + kswapd CPU cycles

[Stephen C. Tweedie]

Hi,

On Thu, May 10, 2001 at 03:22:57PM -0300, Marcelo Tosatti wrote:

> Initially I thought about __GFP_FAIL to be used by writeout routines which
> want to cluster pages until they can allocate memory without causing any
> pressure to the system. Something like this: 
> 
> while ((page = alloc_page(GFP_FAIL))
> 	add_page_to_cluster(page);
> write_cluster(); 

Isn't that an orthogonal decision?  You can use __GFP_FAIL with or
without __GFP_WAIT or __GFP_IO, whichever is appropriate.

Cheers,
 Stephen