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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-16 13:32:02 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-16 13:32:02 -0400
commitb91cba52e9b7b3f1c0037908a192d93a869ca9e5 (patch)
treebbce7f323c8f52b308af5a152673a75b3e445360 /include/asm-sh/mmzone.h
parent98283bb49c6c8c070ebde9f47489d3e9a83c1323 (diff)
parente509ac4bbc661052dc73a2e8138800ba77d4ecb9 (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6: (68 commits) sh: sh-rtc support for SH7709. sh: Revert __xdiv64_32 size change. sh: Update r7785rp defconfig. sh: Export div symbols for GCC 4.2 and ST GCC. sh: fix race in parallel out-of-tree build sh: Kill off dead mach.c for hp6xx. sh: hd64461.h cleanup and added comments. sh: Update the alignment when 4K stacks are used. sh: Add a .bss.page_aligned section for 4K stacks. sh: Don't let SH-4A clobber SH-4 CFLAGS. sh: Add parport stub for SuperIO ports. sh: Drop -Wa,-dsp for DSP tuning. sh: Update dreamcast defconfig. fb: pvr2fb: A few more __devinit annotations for PCI. fb: pvr2fb: Fix up section mismatch warnings. sh: Select IPR-IRQ for SH7091. sh: Correct __xdiv64_32/div64_32 return value size. sh: Fix timer-tmu build for SH-3. sh: Add cpu and mach links to CLEAN_FILES. sh: Preliminary support for the SH-X3 CPU. ...
Diffstat (limited to 'include/asm-sh/mmzone.h')
-rw-r--r--include/asm-sh/mmzone.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/include/asm-sh/mmzone.h b/include/asm-sh/mmzone.h
new file mode 100644
index 000000000000..7969f381dff2
--- /dev/null
+++ b/include/asm-sh/mmzone.h
@@ -0,0 +1,46 @@
1#ifndef __ASM_SH_MMZONE_H
2#define __ASM_SH_MMZONE_H
3
4#ifdef __KERNEL__
5
6#ifdef CONFIG_NEED_MULTIPLE_NODES
7extern struct pglist_data *node_data[];
8#define NODE_DATA(nid) (node_data[nid])
9
10#define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn)
11#define node_end_pfn(nid) (NODE_DATA(nid)->node_start_pfn + \
12 NODE_DATA(nid)->node_spanned_pages)
13
14static inline int pfn_to_nid(unsigned long pfn)
15{
16 int nid;
17
18 for (nid = 0; nid < MAX_NUMNODES; nid++)
19 if (pfn >= node_start_pfn(nid) && pfn <= node_end_pfn(nid))
20 break;
21
22 return nid;
23}
24
25static inline struct pglist_data *pfn_to_pgdat(unsigned long pfn)
26{
27 return NODE_DATA(pfn_to_nid(pfn));
28}
29
30/* arch/sh/mm/numa.c */
31void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end);
32#else
33static inline void
34setup_bootmem_node(int nid, unsigned long start, unsigned long end)
35{
36}
37#endif /* CONFIG_NEED_MULTIPLE_NODES */
38
39/* Platform specific mem init */
40void __init plat_mem_setup(void);
41
42/* arch/sh/kernel/setup.c */
43void __init setup_bootmem_allocator(unsigned long start_pfn);
44
45#endif /* __KERNEL__ */
46#endif /* __ASM_SH_MMZONE_H */