aboutsummaryrefslogtreecommitdiff
path: root/arch/parisc/include/asm/mmzone.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/parisc/include/asm/mmzone.h')
-rw-r--r--arch/parisc/include/asm/mmzone.h14
1 files changed, 5 insertions, 9 deletions
diff --git a/arch/parisc/include/asm/mmzone.h b/arch/parisc/include/asm/mmzone.h
index e67eb9c3d1b..b6b34a0987e 100644
--- a/arch/parisc/include/asm/mmzone.h
+++ b/arch/parisc/include/asm/mmzone.h
@@ -1,9 +1,10 @@
#ifndef _PARISC_MMZONE_H
#define _PARISC_MMZONE_H
+#define MAX_PHYSMEM_RANGES 8 /* Fix the size for now (current known max is 3) */
+
#ifdef CONFIG_DISCONTIGMEM
-#define MAX_PHYSMEM_RANGES 8 /* Fix the size for now (current known max is 3) */
extern int npmem_ranges;
struct node_map_data {
@@ -26,7 +27,7 @@ extern struct node_map_data node_data[];
#define PFNNID_SHIFT (30 - PAGE_SHIFT)
#define PFNNID_MAP_MAX 512 /* support 512GB */
-extern unsigned char pfnnid_map[PFNNID_MAP_MAX];
+extern signed char pfnnid_map[PFNNID_MAP_MAX];
#ifndef CONFIG_64BIT
#define pfn_is_io(pfn) ((pfn & (0xf0000000UL >> PAGE_SHIFT)) == (0xf0000000UL >> PAGE_SHIFT))
@@ -38,17 +39,14 @@ extern unsigned char pfnnid_map[PFNNID_MAP_MAX];
static inline int pfn_to_nid(unsigned long pfn)
{
unsigned int i;
- unsigned char r;
if (unlikely(pfn_is_io(pfn)))
return 0;
i = pfn >> PFNNID_SHIFT;
- BUG_ON(i >= sizeof(pfnnid_map) / sizeof(pfnnid_map[0]));
- r = pfnnid_map[i];
- BUG_ON(r == 0xff);
+ BUG_ON(i >= ARRAY_SIZE(pfnnid_map));
- return (int)r;
+ return pfnnid_map[i];
}
static inline int pfn_valid(int pfn)
@@ -60,7 +58,5 @@ static inline int pfn_valid(int pfn)
return 0;
}
-#else /* !CONFIG_DISCONTIGMEM */
-#define MAX_PHYSMEM_RANGES 1
#endif
#endif /* _PARISC_MMZONE_H */