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author | Jonathan Neuschäfer <j.neuschaefer@gmx.net> | 2018-03-28 02:25:40 +0200 |
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committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-03-31 15:47:42 +0200 |
commit | 2615c93e5f52db62586112793d889face99eb905 (patch) | |
tree | 53efed7c8daa258b0f96523acfdc4de6ca984ce2 /arch/powerpc/mm | |
parent | powerpc/wii.dts: Add drive slot LED (diff) | |
download | linux-2615c93e5f52db62586112793d889face99eb905.tar.xz linux-2615c93e5f52db62586112793d889face99eb905.zip |
powerpc/mm: Simplify page_is_ram by using memblock_is_memory
Instead of open-coding the search in page_is_ram, call memblock_is_memory.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm')
-rw-r--r-- | arch/powerpc/mm/mem.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index e2f5025b03b0..8f335cf052f8 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -85,13 +85,7 @@ int page_is_ram(unsigned long pfn) #ifndef CONFIG_PPC64 /* XXX for now */ return pfn < max_pfn; #else - unsigned long paddr = (pfn << PAGE_SHIFT); - struct memblock_region *reg; - - for_each_memblock(memory, reg) - if (paddr >= reg->base && paddr < (reg->base + reg->size)) - return 1; - return 0; + return memblock_is_memory(__pfn_to_phys(pfn)); #endif } |