linux-master/mm/page_alloc.c

1926 	struct zonelist *zonelist = ac->zonelist;
1934 	for_each_zone_zonelist_nodemask(zone, z, zonelist, ac->highest_zoneidx,
3172  * get_page_from_freelist goes through the zonelist trying to allocate
3187 	 * Scan zonelist, looking for a zone with enough free.
3424 		.zonelist = ac->zonelist,
3445 	 * Go through the zonelist yet one more time, keep very high watermark
3666 	for_each_zone_zonelist_nodemask(zone, z, ac->zonelist,
3738  * retries the allocation if zonelist changes. Writer side is protected by the
3774 	progress = try_to_free_pages(ac->zonelist, order, gfp_mask,
3828 	for_each_zone_zonelist_nodemask(zone, z, ac->zonelist, highest_zoneidx,
3969 	for_each_zone_zonelist_nodemask(zone, z, ac->zonelist,
4078 	 * We need to recalculate the starting point for the zonelist iterator
4083 	ac->preferred_zoneref = first_zones_zonelist(ac->zonelist,
4094 		struct zoneref *z = first_zones_zonelist(ac->zonelist,
4178 	 * Reset the nodemask and zonelist iterators if memory policies can be
4184 		ac->preferred_zoneref = first_zones_zonelist(ac->zonelist,
4188 	/* Attempt with potentially adjusted zonelist and alloc_flags */
4243 	 * Deal with possible cpuset update races or zonelist updates to avoid
4269 	 * Deal with possible cpuset update races or zonelist updates to avoid
4330 	ac->zonelist = node_zonelist(preferred_nid, gfp_mask);
4358 	 * also used as the starting point for the zonelist iterator. It
4361 	ac->preferred_zoneref = first_zones_zonelist(ac->zonelist,
4446 	for_each_zone_zonelist_nodemask(zone, z, ac.zonelist, ac.highest_zoneidx, ac.nodemask) {
4927 	struct zonelist *zonelist = node_zonelist(numa_node_id(), GFP_KERNEL);
4929 	for_each_zone_zonelist(zone, z, zonelist, offset) {
4963  * Add all populated zones of a node to the zonelist.
5162  * I.e., first node id of first zone in arg node's generic zonelist.
5164  * for kernel allocations, so use GFP_KERNEL flags to locate zonelist.
5194 	 * Now we build the zonelist so that it contains the zones
5286 		 * i.e., the node of the first zone in the generic zonelist.
6513  * on an applicable zonelist to find a contiguous pfn range which can then be
6530 	struct zonelist *zonelist;
6534 	zonelist = node_zonelist(nid, gfp_mask);
6535 	for_each_zone_zonelist_nodemask(zone, z, zonelist,