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| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-19 19:07:12 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-19 19:07:12 -0700 |
| commit | 25f42b6af09e34c3f92107b36b5aa6edc2fdba2f (patch) | |
| tree | e0977d906193eadeafebc442775491b844be79d5 /include/asm-mips/page.h | |
| parent | 4c84a39c8adba6bf2f829b217e78bfd61478191a (diff) | |
| parent | 1723b4a34af85447684c9696af83929d2c1e8e6b (diff) | |
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (51 commits)
[MIPS] Make timer interrupt frequency configurable from kconfig.
[MIPS] Correct HAL2 Kconfig description
[MIPS] Fix R4K cache macro names
[MIPS] Add Missing R4K Cache Macros to IP27 & IP32
[MIPS] Support for the RM9000-based Basler eXcite smart camera platform.
[MIPS] Support for the R5500-based NEC EMMA2RH Mark-eins board
[MIPS] Support SNI RM200C SNI in big endian mode and R5000 processors.
[MIPS] SN: include asm/sn/types.h for nasid_t.
[MIPS] Random fixes for sb1250
[MIPS] Fix bcm1480 compile
[MIPS] Remove support for NEC DDB5476.
[MIPS] Remove support for NEC DDB5074.
[MIPS] Cleanup memory managment initialization.
[MIPS] SN: Declare bridge_pci_ops.
[MIPS] Remove unused function alloc_pci_controller.
[MIPS] IP27: Extract pci_ops into separate file.
[MIPS] IP27: Use symbolic constants instead of magic numbers.
[MIPS] vr41xx: remove unnecessay items from vr41xx/Kconfig.
[MIPS] IP27: Cleanup N/M mode configuration.
[MIPS] IP27: Throw away old unused hacks.
...
Diffstat (limited to 'include/asm-mips/page.h')
| -rw-r--r-- | include/asm-mips/page.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/asm-mips/page.h b/include/asm-mips/page.h index 4035ec79ecd..3d262c01521 100644 --- a/include/asm-mips/page.h +++ b/include/asm-mips/page.h @@ -145,6 +145,25 @@ typedef struct { unsigned long pgprot; } pgprot_t; #endif #endif +#ifdef CONFIG_FLATMEM + +#define pfn_valid(pfn) ((pfn) < max_mapnr) + +#elif defined(CONFIG_NEED_MULTIPLE_NODES) + +#define pfn_valid(pfn) \ +({ \ + unsigned long __pfn = (pfn); \ + int __n = pfn_to_nid(__pfn); \ + ((__n >= 0) ? (__pfn < NODE_DATA(__n)->node_start_pfn + \ + NODE_DATA(__n)->node_spanned_pages) \ + : 0); \ +}) + +#else +#error Provide a definition of pfn_valid +#endif + #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) #define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) |