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Diffstat (limited to 'fs/hugetlbfs/inode.c')
-rw-r--r--fs/hugetlbfs/inode.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 34ac73cc36b1..412f295acebe 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -176,14 +176,12 @@ hugetlb_get_unmapped_area_bottomup(struct file *file, unsigned long addr,
unsigned long len, unsigned long pgoff, unsigned long flags)
{
struct hstate *h = hstate_file(file);
- struct vm_unmapped_area_info info;
+ struct vm_unmapped_area_info info = {};
- info.flags = 0;
info.length = len;
info.low_limit = current->mm->mmap_base;
info.high_limit = arch_get_mmap_end(addr, len, flags);
info.align_mask = PAGE_MASK & ~huge_page_mask(h);
- info.align_offset = 0;
return vm_unmapped_area(&info);
}
@@ -192,14 +190,13 @@ hugetlb_get_unmapped_area_topdown(struct file *file, unsigned long addr,
unsigned long len, unsigned long pgoff, unsigned long flags)
{
struct hstate *h = hstate_file(file);
- struct vm_unmapped_area_info info;
+ struct vm_unmapped_area_info info = {};
info.flags = VM_UNMAPPED_AREA_TOPDOWN;
info.length = len;
info.low_limit = PAGE_SIZE;
info.high_limit = arch_get_mmap_base(addr, current->mm->mmap_base);
info.align_mask = PAGE_MASK & ~huge_page_mask(h);
- info.align_offset = 0;
addr = vm_unmapped_area(&info);
/*
@@ -249,11 +246,11 @@ generic_hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
}
/*
- * Use mm->get_unmapped_area value as a hint to use topdown routine.
+ * Use MMF_TOPDOWN flag as a hint to use topdown routine.
* If architectures have special needs, they should define their own
* version of hugetlb_get_unmapped_area.
*/
- if (mm->get_unmapped_area == arch_get_unmapped_area_topdown)
+ if (test_bit(MMF_TOPDOWN, &mm->flags))
return hugetlb_get_unmapped_area_topdown(file, addr, len,
pgoff, flags);
return hugetlb_get_unmapped_area_bottomup(file, addr, len,