diff options
Diffstat (limited to 'xen')
-rw-r--r-- | xen/common/page_alloc.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/xen/common/page_alloc.c b/xen/common/page_alloc.c index 41251b2c0c..fb8187bb35 100644 --- a/xen/common/page_alloc.c +++ b/xen/common/page_alloc.c @@ -257,11 +257,11 @@ unsigned long __init alloc_boot_pages( */ #define MEMZONE_XEN 0 -#define NR_ZONES (PADDR_BITS - PAGE_SHIFT) +#define NR_ZONES (PADDR_BITS - PAGE_SHIFT + 1) -#define bits_to_zone(b) (((b) < (PAGE_SHIFT + 1)) ? 0 : ((b) - PAGE_SHIFT - 1)) +#define bits_to_zone(b) (((b) < (PAGE_SHIFT + 1)) ? 1 : ((b) - PAGE_SHIFT)) #define page_to_zone(pg) (is_xen_heap_page(pg) ? MEMZONE_XEN : \ - (fls(page_to_mfn(pg)) - 1)) + (fls(page_to_mfn(pg)) ? : 1)) typedef struct page_list_head heap_by_zone_and_order_t[NR_ZONES][MAX_ORDER+1]; static heap_by_zone_and_order_t *_heap[MAX_NUMNODES]; |