diff options
| -rw-r--r-- | drivers/xen/biomerge.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/xen/biomerge.c b/drivers/xen/biomerge.c index ba6eda4b5143..0d23e1f5846a 100644 --- a/drivers/xen/biomerge.c +++ b/drivers/xen/biomerge.c @@ -8,6 +8,5 @@ bool xen_biovec_phys_mergeable(const struct bio_vec *vec1, unsigned long mfn1 = pfn_to_mfn(page_to_pfn(vec1->bv_page)); unsigned long mfn2 = pfn_to_mfn(page_to_pfn(vec2->bv_page)); - return __BIOVEC_PHYS_MERGEABLE(vec1, vec2) && - ((mfn1 == mfn2) || ((mfn1+1) == mfn2)); + return mfn1 + PFN_DOWN(vec1->bv_offset + vec1->bv_len) == mfn2; } |