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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-14 12:46:06 -0500
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-14 12:46:06 -0500
commit414f827c46973ba39320cfb43feb55a0eeb9b4e8 (patch)
tree45e860974ef698e71370a0ebdddcff4f14fbdf9e /include/asm-x86_64/mmzone.h
parent86a71dbd3e81e8870d0f0e56b87875f57e58222b (diff)
parent126b1922367fbe5513daa675a2abd13ed3917f4e (diff)
Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6
* 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6: (94 commits) [PATCH] x86-64: Remove mk_pte_phys() [PATCH] i386: Fix broken CONFIG_COMPAT_VDSO on i386 [PATCH] i386: fix 32-bit ioctls on x64_32 [PATCH] x86: Unify pcspeaker platform device code between i386/x86-64 [PATCH] i386: Remove extern declaration from mm/discontig.c, put in header. [PATCH] i386: Rename cpu_gdt_descr and remove extern declaration from smpboot.c [PATCH] i386: Move mce_disabled to asm/mce.h [PATCH] i386: paravirt unhandled fallthrough [PATCH] x86_64: Wire up compat epoll_pwait [PATCH] x86: Don't require the vDSO for handling a.out signals [PATCH] i386: Fix Cyrix MediaGX detection [PATCH] i386: Fix warning in cpu initialization [PATCH] i386: Fix warning in microcode.c [PATCH] x86: Enable NMI watchdog for AMD Family 0x10 CPUs [PATCH] x86: Add new CPUID bits for AMD Family 10 CPUs in /proc/cpuinfo [PATCH] i386: Remove fastcall in paravirt.[ch] [PATCH] x86-64: Fix wrong gcc check in bitops.h [PATCH] x86-64: survive having no irq mapping for a vector [PATCH] i386: geode configuration fixes [PATCH] i386: add option to show more code in oops reports ...
Diffstat (limited to 'include/asm-x86_64/mmzone.h')
-rw-r--r--include/asm-x86_64/mmzone.h18
1 files changed, 12 insertions, 6 deletions
diff --git a/include/asm-x86_64/mmzone.h b/include/asm-x86_64/mmzone.h
index c38ebdf6f426..fb558fb1d211 100644
--- a/include/asm-x86_64/mmzone.h
+++ b/include/asm-x86_64/mmzone.h
@@ -11,24 +11,25 @@
11 11
12#include <asm/smp.h> 12#include <asm/smp.h>
13 13
14/* Should really switch to dynamic allocation at some point */
15#define NODEMAPSIZE 0x4fff
16
17/* Simple perfect hash to map physical addresses to node numbers */ 14/* Simple perfect hash to map physical addresses to node numbers */
18struct memnode { 15struct memnode {
19 int shift; 16 int shift;
20 u8 map[NODEMAPSIZE]; 17 unsigned int mapsize;
21} ____cacheline_aligned; 18 u8 *map;
19 u8 embedded_map[64-16];
20} ____cacheline_aligned; /* total size = 64 bytes */
22extern struct memnode memnode; 21extern struct memnode memnode;
23#define memnode_shift memnode.shift 22#define memnode_shift memnode.shift
24#define memnodemap memnode.map 23#define memnodemap memnode.map
24#define memnodemapsize memnode.mapsize
25 25
26extern struct pglist_data *node_data[]; 26extern struct pglist_data *node_data[];
27 27
28static inline __attribute__((pure)) int phys_to_nid(unsigned long addr) 28static inline __attribute__((pure)) int phys_to_nid(unsigned long addr)
29{ 29{
30 unsigned nid; 30 unsigned nid;
31 VIRTUAL_BUG_ON((addr >> memnode_shift) >= NODEMAPSIZE); 31 VIRTUAL_BUG_ON(!memnodemap);
32 VIRTUAL_BUG_ON((addr >> memnode_shift) >= memnodemapsize);
32 nid = memnodemap[addr >> memnode_shift]; 33 nid = memnodemap[addr >> memnode_shift];
33 VIRTUAL_BUG_ON(nid >= MAX_NUMNODES || !node_data[nid]); 34 VIRTUAL_BUG_ON(nid >= MAX_NUMNODES || !node_data[nid]);
34 return nid; 35 return nid;
@@ -46,5 +47,10 @@ static inline __attribute__((pure)) int phys_to_nid(unsigned long addr)
46extern int pfn_valid(unsigned long pfn); 47extern int pfn_valid(unsigned long pfn);
47#endif 48#endif
48 49
50#ifdef CONFIG_NUMA_EMU
51#define FAKE_NODE_MIN_SIZE (64*1024*1024)
52#define FAKE_NODE_MIN_HASH_MASK (~(FAKE_NODE_MIN_SIZE - 1ul))
53#endif
54
49#endif 55#endif
50#endif 56#endif