Messages in this thread | | | Subject | Re: [PATCH] earlier allocation of order 0 pages from pcp in __alloc_pages | From | Rohit Seth <> | Date | Thu, 29 Sep 2005 18:58:25 -0700 |
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On Thu, 2005-09-29 at 16:11 -0700, Andrew Morton wrote: > "Martin J. Bligh" <mbligh@mbligh.org> wrote: > > > > It looks like we're now dropping into direct reclaim as the first thing > > in __alloc_pages before even trying to kick off kswapd. When the hell > > did that start? Or is that only meant to trigger if we're already below > > the low watermark level? > > That's all the numa goop which Martin Hicks added. It's all disabled if > z->reclaim_pages is zero (it is). However we could be testing that flag a > bit earlier, I think. > > And yeah, some de-spaghettification would be nice. Certainly before adding > more logic. > > Martin, should we take out the early zone reclaim logic? It's all > unreachable at present anyway. > ...yeah just like sys_set_zone_reclaim. was it intended to be added as a system call?
-rohit
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