sparc64: Fix mapping of 64k pages with MAP_FIXED
An incorrect huge page alignment check caused mmap failure for 64K pages when MAP_FIXED is used with address not aligned to HPAGE_SIZE. Orabug: 25885991 Fixes: dcd1912d21a0 ("sparc64: Add 64K page size support") Signed-off-by: Nitin Gupta <nitin.m.gupta@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -24,9 +24,11 @@ static inline int is_hugepage_only_range(struct mm_struct *mm,
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static inline int prepare_hugepage_range(struct file *file,
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unsigned long addr, unsigned long len)
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{
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if (len & ~HPAGE_MASK)
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struct hstate *h = hstate_file(file);
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if (len & ~huge_page_mask(h))
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return -EINVAL;
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if (addr & ~HPAGE_MASK)
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if (addr & ~huge_page_mask(h))
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return -EINVAL;
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return 0;
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}
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