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-rw-r--r--mm/page_alloc.c17
1 files changed, 7 insertions, 10 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 5cde54695cf..13c102b95c5 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1199,13 +1199,8 @@ void si_meminfo(struct sysinfo *val)
val->sharedram = 0;
val->freeram = nr_free_pages();
val->bufferram = nr_blockdev_pages();
-#ifdef CONFIG_HIGHMEM
val->totalhigh = totalhigh_pages;
val->freehigh = nr_free_highpages();
-#else
- val->totalhigh = 0;
- val->freehigh = 0;
-#endif
val->mem_unit = PAGE_SIZE;
}
@@ -1218,8 +1213,13 @@ void si_meminfo_node(struct sysinfo *val, int nid)
val->totalram = pgdat->node_present_pages;
val->freeram = nr_free_pages_pgdat(pgdat);
+#ifdef CONFIG_HIGHMEM
val->totalhigh = pgdat->node_zones[ZONE_HIGHMEM].present_pages;
val->freehigh = pgdat->node_zones[ZONE_HIGHMEM].free_pages;
+#else
+ val->totalhigh = 0;
+ val->freehigh = 0;
+#endif
val->mem_unit = PAGE_SIZE;
}
#endif
@@ -1344,14 +1344,11 @@ static int __meminit build_zonelists_node(pg_data_t *pgdat,
{
struct zone *zone;
- BUG_ON(zone_type > ZONE_HIGHMEM);
+ BUG_ON(zone_type >= MAX_NR_ZONES);
do {
zone = pgdat->node_zones + zone_type;
if (populated_zone(zone)) {
-#ifndef CONFIG_HIGHMEM
- BUG_ON(zone_type > ZONE_NORMAL);
-#endif
zonelist->zones[nr_zones++] = zone;
check_highest_zone(zone_type);
}
@@ -1981,7 +1978,7 @@ static void __meminit free_area_init_core(struct pglist_data *pgdat,
if (zholes_size)
realsize -= zholes_size[j];
- if (j < ZONE_HIGHMEM)
+ if (!is_highmem_idx(j))
nr_kernel_pages += realsize;
nr_all_pages += realsize;