diff options
Diffstat (limited to 'mm/mempolicy.c')
| -rw-r--r-- | mm/mempolicy.c | 36 |
1 files changed, 22 insertions, 14 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 5d20bf44062f..90193a2a915b 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -186,7 +186,7 @@ static struct zonelist *bind_zonelist(nodemask_t *nodes) for_each_node_mask(nd, *nodes) { struct zone *z = &NODE_DATA(nd)->node_zones[k]; if (z->present_pages > 0) - zl->zones[num++] = z; + zoneref_set_zone(z, &zl->_zonerefs[num++]); } if (k == 0) break; @@ -196,7 +196,8 @@ static struct zonelist *bind_zonelist(nodemask_t *nodes) kfree(zl); return ERR_PTR(-EINVAL); } - zl->zones[num] = NULL; + zl->_zonerefs[num].zone = NULL; + zl->_zonerefs[num].zone_idx = 0; return zl; } @@ -504,9 +505,11 @@ static void get_zonemask(struct mempolicy *p, nodemask_t *nodes) nodes_clear(*nodes); switch (p->policy) { case MPOL_BIND: - for (i = 0; p->v.zonelist->zones[i]; i++) - node_set(zone_to_nid(p->v.zonelist->zones[i]), - *nodes); + for (i = 0; p->v.zonelist->_zonerefs[i].zone; i++) { + struct zoneref *zref; + zref = &p->v.zonelist->_zonerefs[i]; + node_set(zonelist_node_idx(zref), *nodes); + } break; case MPOL_DEFAULT: break; @@ -1212,12 +1215,13 @@ unsigned slab_node(struct mempolicy *policy) case MPOL_INTERLEAVE: return interleave_nodes(policy); - case MPOL_BIND: + case MPOL_BIND: { /* * Follow bind policy behavior and start allocation at the * first node. */ - return zone_to_nid(policy->v.zonelist->zones[0]); + return zonelist_node_idx(policy->v.zonelist->_zonerefs); + } case MPOL_PREFERRED: if (policy->v.preferred_node >= 0) @@ -1323,7 +1327,7 @@ static struct page *alloc_page_interleave(gfp_t gfp, unsigned order, zl = node_zonelist(nid, gfp); page = __alloc_pages(gfp, order, zl); - if (page && page_zone(page) == zl->zones[0]) + if (page && page_zone(page) == zonelist_zone(&zl->_zonerefs[0])) inc_zone_page_state(page, NUMA_INTERLEAVE_HIT); return page; } @@ -1463,10 +1467,14 @@ int __mpol_equal(struct mempolicy *a, struct mempolicy *b) return a->v.preferred_node == b->v.preferred_node; case MPOL_BIND: { int i; - for (i = 0; a->v.zonelist->zones[i]; i++) - if (a->v.zonelist->zones[i] != b->v.zonelist->zones[i]) + for (i = 0; a->v.zonelist->_zonerefs[i].zone; i++) { + struct zone *za, *zb; + za = zonelist_zone(&a->v.zonelist->_zonerefs[i]); + zb = zonelist_zone(&b->v.zonelist->_zonerefs[i]); + if (za != zb) return 0; - return b->v.zonelist->zones[i] == NULL; + } + return b->v.zonelist->_zonerefs[i].zone == NULL; } default: BUG(); @@ -1785,12 +1793,12 @@ static void mpol_rebind_policy(struct mempolicy *pol, break; case MPOL_BIND: { nodemask_t nodes; - struct zone **z; + struct zoneref *z; struct zonelist *zonelist; nodes_clear(nodes); - for (z = pol->v.zonelist->zones; *z; z++) - node_set(zone_to_nid(*z), nodes); + for (z = pol->v.zonelist->_zonerefs; z->zone; z++) + node_set(zonelist_node_idx(z), nodes); nodes_remap(tmp, nodes, *mpolmask, *newmask); nodes = tmp; |