Messages in this thread | | | Date | Fri, 11 Dec 2009 09:39:38 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | Re: [RFC mm][PATCH 4/5] add a lowmem check function |
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On Thu, 10 Dec 2009 11:59:11 -0600 (CST) Christoph Lameter <cl@linux-foundation.org> wrote:
> On Thu, 10 Dec 2009, KAMEZAWA Hiroyuki wrote: > > > This patch adds an integer lowmem_zone, which is initialized to -1. > > If zone_idx(zone) <= lowmem_zone, the zone is lowmem. > > There is already a policy_zone in mempolicy.h. lowmem is if the zone > number is lower than policy_zone. Can we avoid adding another zone > limiter? > My previous version (one month ago) does that. In this set, I tried to use unified approach for all CONFIG_NUMA/HIGHMEM/flat ones.
Hmm, How about adding following kind of patch after this
#define policy_zone (lowmem_zone + 1)
and remove policy_zone ? I think the name of "policy_zone" implies "this is for mempolicy, NUMA" and don't think good name for generic use.
Thanks, -Kame
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