From: Becky Bruce <beckyb@kernel.crashing.org>
Date: Mon, 10 Oct 2011 10:50:36 +0000 (+0000)
Subject: powerpc: Only define HAVE_ARCH_HUGETLB_UNMAPPED_AREA if PPC_MM_SLICES
X-Git-Tag: MMI-PSA29.97-13-9~17754^2~49^2~12
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=765129594494994e3de91182857bc2586dbe21c9;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git

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>
---

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)
 {