Root/
| 1 | #include <linux/bio.h> |
| 2 | #include <linux/io.h> |
| 3 | #include <linux/export.h> |
| 4 | #include <xen/page.h> |
| 5 | |
| 6 | bool xen_biovec_phys_mergeable(const struct bio_vec *vec1, |
| 7 | const struct bio_vec *vec2) |
| 8 | { |
| 9 | unsigned long mfn1 = pfn_to_mfn(page_to_pfn(vec1->bv_page)); |
| 10 | unsigned long mfn2 = pfn_to_mfn(page_to_pfn(vec2->bv_page)); |
| 11 | |
| 12 | return __BIOVEC_PHYS_MERGEABLE(vec1, vec2) && |
| 13 | ((mfn1 == mfn2) || ((mfn1+1) == mfn2)); |
| 14 | } |
| 15 | EXPORT_SYMBOL(xen_biovec_phys_mergeable); |
| 16 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9
