提交 76512959 编写于 作者: B Becky Bruce 提交者: Benjamin Herrenschmidt

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: NBecky Bruce <beckyb@kernel.crashing.org>
Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
上级 fa8cbaaf
......@@ -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 */
......
......@@ -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)
{
......
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