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authorBecky Bruce <beckyb@kernel.crashing.org>2011-10-10 10:50:36 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-12-07 16:26:21 +1100
commit765129594494994e3de91182857bc2586dbe21c9 (patch)
treef4df3296393f59773f2bf26e354fff4fe3b6b1a4 /arch
parentfa8cbaaf5a68f62db3f9a8444ecbb940b47984cb (diff)
powerpc: Only define HAVE_ARCH_HUGETLB_UNMAPPED_AREA if PPC_MM_SLICES
If we don't have slices, we should be able to use the generic hugetlb_get_unmapped_area() code Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/include/asm/page_64.h2
-rw-r--r--arch/powerpc/mm/hugetlbpage.c6
2 files changed, 4 insertions, 4 deletions
diff --git a/arch/powerpc/include/asm/page_64.h b/arch/powerpc/include/asm/page_64.h
index fb40ede6bc0d..fed85e6290e1 100644
--- a/arch/powerpc/include/asm/page_64.h
+++ b/arch/powerpc/include/asm/page_64.h
@@ -130,7 +130,9 @@ do { \
#ifdef CONFIG_HUGETLB_PAGE
+#ifdef CONFIG_PPC_MM_SLICES
#define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
+#endif
#endif /* !CONFIG_HUGETLB_PAGE */
diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index 5964371303ac..6b1cf6478851 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -697,19 +697,17 @@ int gup_hugepd(hugepd_t *hugepd, unsigned pdshift,
return 1;
}
+#ifdef CONFIG_PPC_MM_SLICES
unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
unsigned long len, unsigned long pgoff,
unsigned long flags)
{
-#ifdef CONFIG_PPC_MM_SLICES
struct hstate *hstate = hstate_file(file);
int mmu_psize = shift_to_mmu_psize(huge_page_shift(hstate));
return slice_get_unmapped_area(addr, len, flags, mmu_psize, 1, 0);
-#else
- return get_unmapped_area(file, addr, len, pgoff, flags);
-#endif
}
+#endif
unsigned long vma_mmu_pagesize(struct vm_area_struct *vma)
{