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Message-Id: <1438718285-21168-12-git-send-email-matthew.r.wilcox@intel.com> Date: Tue, 4 Aug 2015 15:58:05 -0400 From: Matthew Wilcox <matthew.r.wilcox@...el.com> To: Andrew Morton <akpm@...ux-foundation.org>, linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, linux-mm@...ck.org Cc: Matthew Wilcox <willy@...ux.intel.com> Subject: [PATCH 11/11] dax: Use linear_page_index() From: Matthew Wilcox <willy@...ux.intel.com> I was basically open-coding it (thanks to copying code from do_fault() which probably also needs to be fixed). Signed-off-by: Matthew Wilcox <willy@...ux.intel.com> --- fs/dax.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/dax.c b/fs/dax.c index 233e61e..b6769ce 100644 --- a/fs/dax.c +++ b/fs/dax.c @@ -529,7 +529,7 @@ int __dax_pmd_fault(struct vm_area_struct *vma, unsigned long address, if ((pmd_addr + PMD_SIZE) > vma->vm_end) return VM_FAULT_FALLBACK; - pgoff = ((pmd_addr - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff; + pgoff = linear_page_index(vma, pmd_addr); size = (i_size_read(inode) + PAGE_SIZE - 1) >> PAGE_SHIFT; if (pgoff >= size) return VM_FAULT_SIGBUS; -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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