On Tuesday, November 29, 2016 7:23 PM Kirill A. Shutemov wrote: > @@ -607,10 +605,10 @@ static long hugetlbfs_fallocate(struct file *file, int > mode, loff_t offset, > } > > /* Set numa allocation policy based on index */ > - hugetlb_set_vma_policy(&pseudo_vma, inode, index); > + hugetlb_set_vma_policy(&pseudo_vma, inode, index >> > huge_page_order(h)); > > /* addr is the offset within the file (zero based) */ > - addr = index * hpage_size; > + addr = index << PAGE_SHIFT & ~huge_page_mask(h); > > /* mutex taken here, fault path and hole punch */ > hash = hugetlb_fault_mutex_hash(h, mm, &pseudo_vma, mapping,
Seems we can't use index in computing hash as long as it isn't in huge page size.
