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| author | Ingo Molnar <mingo@elte.hu> | 2009-03-01 12:47:58 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-01 12:47:58 +0100 |
| commit | 55f2b78995826d549401bdf20abeac1832636bb6 (patch) | |
| tree | 931b31f3b6e0879df0f9a1d58ffd040d9a652f2e /arch/x86/mm/iomap_32.c | |
| parent | f5c1aa1537be39d8b9bb5279b5881d81898fd3cd (diff) | |
| parent | 92b9af9e4f144535c65aee673cfad309f25fa465 (diff) | |
Merge branch 'x86/urgent' into x86/pat
Diffstat (limited to 'arch/x86/mm/iomap_32.c')
| -rw-r--r-- | arch/x86/mm/iomap_32.c | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/arch/x86/mm/iomap_32.c b/arch/x86/mm/iomap_32.c index 6c2b1af1692..04102d42ff4 100644 --- a/arch/x86/mm/iomap_32.c +++ b/arch/x86/mm/iomap_32.c @@ -20,23 +20,16 @@ #include <asm/pat.h> #include <linux/module.h> -#ifdef CONFIG_X86_PAE -int -is_io_mapping_possible(resource_size_t base, unsigned long size) -{ - return 1; -} -#else -int -is_io_mapping_possible(resource_size_t base, unsigned long size) +int is_io_mapping_possible(resource_size_t base, unsigned long size) { +#ifndef CONFIG_X86_PAE /* There is no way to map greater than 1 << 32 address without PAE */ if (base + size > 0x100000000ULL) return 0; - +#endif return 1; } -#endif +EXPORT_SYMBOL_GPL(is_io_mapping_possible); /* Map 'pfn' using fixed map 'type' and protections 'prot' */ |