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| author |   Ralf Baechle <ralf@linux-mips.org> | 2012-12-28 15:34:40 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2012-12-28 17:04:31 +0100 |
| commit | d3ce88431892b703b04769566338a89eda6b0477 (patch) | |
| tree | f72f9c6ff08146ed75f64c8f216a4bfb312d2ac0 /arch | |
| parent | MIPS: page.h: Remove now unnecessary #ifndef __ASSEMBLY__ wrapper. (diff) | |
| download | linux-dev-d3ce88431892b703b04769566338a89eda6b0477.tar.xz linux-dev-d3ce88431892b703b04769566338a89eda6b0477.zip | |
MIPS: Fix modpost error in modules attepting to use virt_addr_valid().
ERROR: "min_low_pfn" [drivers/block/aoe/aoe.ko] undefined!
Fixed by moving the implementation of virt_addr_valid() into the kernel
proper and exporting it which removes the pains of an inline or macro
implementation.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/include/asm/page.h | 5 | ||||
| -rw-r--r-- | arch/mips/mm/ioremap.c | 6 |
2 files changed, 10 insertions, 1 deletions
diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h index bf84e48ad669..dbaec94046da 100644 --- a/arch/mips/include/asm/page.h +++ b/arch/mips/include/asm/page.h @@ -198,7 +198,10 @@ typedef struct { unsigned long pgprot; } pgprot_t; #endif #define virt_to_page(kaddr) pfn_to_page(PFN_DOWN(virt_to_phys(kaddr))) -#define virt_addr_valid(kaddr) pfn_valid(PFN_DOWN(virt_to_phys(kaddr))) + +extern int __virt_addr_valid(const volatile void *kaddr); +#define virt_addr_valid(kaddr) \ + __virt_addr_valid((const volatile void *) (kaddr)) #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) diff --git a/arch/mips/mm/ioremap.c b/arch/mips/mm/ioremap.c index cacfd31e8ec9..7657fd21cd3f 100644 --- a/arch/mips/mm/ioremap.c +++ b/arch/mips/mm/ioremap.c @@ -190,3 +190,9 @@ void __iounmap(const volatile void __iomem *addr) EXPORT_SYMBOL(__ioremap); EXPORT_SYMBOL(__iounmap); + +int __virt_addr_valid(const volatile void *kaddr) +{ + return pfn_valid(PFN_DOWN(virt_to_phys(kaddr))); +} +EXPORT_SYMBOL_GPL(__virt_addr_valid); |