Hmm, wait a minute
On Mon 05-01-15 18:17:42, Vlastimil Babka wrote:
[...]
> -unsigned long try_to_compact_pages(struct zonelist *zonelist,
> - int order, gfp_t gfp_mask, nodemask_t *nodemask,
> - enum migrate_mode mode, int *contended,
> - int alloc_flags, int classzone_idx)
> +unsigned long try_to_compact_pages(gfp_t gfp_mask, unsigned int order,
> + int alloc_flags, const struct alloc_context *ac,
> + enum migrate_mode mode, int *contended)
> {
> - enum zone_type high_zoneidx = gfp_zone(gfp_mask);
> int may_enter_fs = gfp_mask & __GFP_FS;
> int may_perform_io = gfp_mask & __GFP_IO;
> struct zoneref *z;
gfp_mask might change since the high_zoneidx was set up in the call
chain. I guess this shouldn't change to the gfp_zone output but it is
worth double checking.
> @@ -1365,8 +1363,8 @@ unsigned long try_to_compact_pages(struct zonelist *zonelist,
> return COMPACT_SKIPPED;
>
> /* Compact each zone in the list */
> - for_each_zone_zonelist_nodemask(zone, z, zonelist, high_zoneidx,
> - nodemask) {
> + for_each_zone_zonelist_nodemask(zone, z, ac->zonelist, ac->high_zoneidx,
> + ac->nodemask) {
> int status;
> int zone_contended;
>
--
Michal Hocko
SUSE Labs
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