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authorJonathan Neuschäfer <j.neuschaefer@gmx.net>2018-03-28 02:25:41 +0200
committerMichael Ellerman <mpe@ellerman.id.au>2018-04-01 00:47:42 +1100
commitf65e67c7e3308c0af08080782d79a8cb95c44929 (patch)
treed37caf93ba7b08df040bda5d6b0e95abe8c84dec /arch/powerpc
parent2615c93e5f52db62586112793d889face99eb905 (diff)
powerpc/mm: Use memblock API for PPC32 page_is_ram
To support accurate checking for different blocks of memory on PPC32, use the same memblock-based approach that's already used on PPC64 also on PPC32. Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/mm/mem.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 8f335cf052f8..737f8a4632cc 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -82,11 +82,7 @@ static inline pte_t *virt_to_kpte(unsigned long vaddr)
int page_is_ram(unsigned long pfn)
{
-#ifndef CONFIG_PPC64 /* XXX for now */
- return pfn < max_pfn;
-#else
return memblock_is_memory(__pfn_to_phys(pfn));
-#endif
}
pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,