From b6c41cb050d5debc7e4eaa0a81cbdbad72588891 Mon Sep 17 00:00:00 2001 From: Nitin Gupta Date: Mon, 15 May 2017 16:28:17 -0700 Subject: 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 Signed-off-by: David S. Miller --- arch/sparc/include/asm/hugetlb.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'arch') 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; } -- cgit v1.2.3-58-ga151