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mm/hugetlb: reduce arch dependent code about hugetlb_prefault_arch_hook

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Currently we have many duplicates in definitions of
hugetlb_prefault_arch_hook.  In all architectures this function is empty.

Signed-off-by: Zhang Zhen <zhenzhang.zhang@huawei.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Zhang Zhen 2015-06-24 16:56:25 -07:00 • committed by Linus Torvalds
parent 83d3f0e90c
commit a67a31fa30
12 changed files with 0 additions and 41 deletions
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1
fs/hugetlbfs/inode.c
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@ -130,7 +130,6 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma)
goto out;
ret = 0;
hugetlb_prefault_arch_hook(vma->vm_mm);
if (vma->vm_flags & VM_WRITE && inode->i_size < len)
inode->i_size = len;
out: