Messages in this thread | | | Date | Thu, 4 Jun 2009 12:04:36 +0200 | From | Johannes Weiner <> | Subject | Re: [patch][v2] swap: virtual swap readahead |
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On Thu, Jun 04, 2009 at 10:46:28AM +0900, KAMEZAWA Hiroyuki wrote:
> I wonder (I just wonder..) can we add code like following here ? > > /* we do _readahead_ here. Then, we don't want to add too much jobs to vm/IO*/ > if (swp != entry) > gfp_mask &= ~__GFP_WAIT > > + page = read_swap_cache_async(swp, gfp_mask, vma, pos); > > too slow ?
Good idea, certainly worth evaluating. But not in this patch, I don't want to change _everything_ at once :-)
Thanks, Hannes
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