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| author |   Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2015-09-03 13:20:56 +0530 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2015-10-01 16:52:02 +1000 |
| commit | 65d3223a853ac8598694064c1d37b0955e7d99cc (patch) | |
| tree | 13a23aaa4f550d6b9d913618c1179afbdc4f96f9 /arch/powerpc/include/asm/page.h | |
| parent | powerpc/vdso: Avoid link stack corruption in __get_datapage() (diff) | |
| download | linux-dev-65d3223a853ac8598694064c1d37b0955e7d99cc.tar.xz linux-dev-65d3223a853ac8598694064c1d37b0955e7d99cc.zip | |
powerpc/mm: Add virt_to_pfn and use this instead of opencoding
This add helper virt_to_pfn and remove the opencoded usage of the
same.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/page.h')
| -rw-r--r-- | arch/powerpc/include/asm/page.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h index 71294a6e976e..168ca67e39b3 100644 --- a/arch/powerpc/include/asm/page.h +++ b/arch/powerpc/include/asm/page.h @@ -127,9 +127,10 @@ extern long long virt_phys_offset; #define pfn_valid(pfn) ((pfn) >= ARCH_PFN_OFFSET && (pfn) < max_mapnr) #endif -#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) +#define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT) +#define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr)) #define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT) -#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) +#define virt_addr_valid(kaddr) pfn_valid(virt_to_pfn(kaddr)) /* * On Book-E parts we need __va to parse the device tree and we can't |