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| author |   Nitin Gupta <nitin.m.gupta@oracle.com> | 2017-05-15 16:28:17 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-05-17 12:07:01 -0700 |
| commit | b6c41cb050d5debc7e4eaa0a81cbdbad72588891 (patch) | |
| tree | f1aa480e1fe3c3c41e610791c660c99a9bbeedb6 /arch/sparc | |
| parent | Merge tag 'pstore-v4.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux (diff) | |
| download | linux-dev-b6c41cb050d5debc7e4eaa0a81cbdbad72588891.tar.xz linux-dev-b6c41cb050d5debc7e4eaa0a81cbdbad72588891.zip | |
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>
Diffstat (limited to 'arch/sparc')
| -rw-r--r-- | arch/sparc/include/asm/hugetlb.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h index dcbf985ab243..d1f837dc77a4 100644 --- a/arch/sparc/include/asm/hugetlb.h +++ b/arch/sparc/include/asm/hugetlb.h @@ -24,9 +24,11 @@ static inline int is_hugepage_only_range(struct mm_struct *mm, static inline int prepare_hugepage_range(struct file *file, unsigned long addr, unsigned long len) { - if (len & ~HPAGE_MASK) + struct hstate *h = hstate_file(file); + + if (len & ~huge_page_mask(h)) return -EINVAL; - if (addr & ~HPAGE_MASK) + if (addr & ~huge_page_mask(h)) return -EINVAL; return 0; } |