diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2011-06-10 14:46:48 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2011-06-10 14:46:57 +0200 |
| commit | 5be5758c114b18260c6fd4c8373bf89e39b0fe82 (patch) | |
| tree | 54390f904df6ff11e570f764c444356cf2709fda /drivers/xen/swiotlb-xen.c | |
| parent | 71f66a6580c4e42df377bebbcca5c72661a40700 (diff) | |
| parent | 7f45e5cd1718ed769295033ca214032848a0097d (diff) | |
Merge branch 'master' into for-next
Sync with Linus' tree to be able to apply patches against new
code I have in queue.
Diffstat (limited to 'drivers/xen/swiotlb-xen.c')
| -rw-r--r-- | drivers/xen/swiotlb-xen.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index 65ea21a9749..6e8c15a2320 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -147,9 +147,15 @@ void __init xen_swiotlb_init(int verbose) { unsigned long bytes; int rc; - - xen_io_tlb_nslabs = (64 * 1024 * 1024 >> IO_TLB_SHIFT); - xen_io_tlb_nslabs = ALIGN(xen_io_tlb_nslabs, IO_TLB_SEGSIZE); + unsigned long nr_tbl; + + nr_tbl = swioltb_nr_tbl(); + if (nr_tbl) + xen_io_tlb_nslabs = nr_tbl; + else { + xen_io_tlb_nslabs = (64 * 1024 * 1024 >> IO_TLB_SHIFT); + xen_io_tlb_nslabs = ALIGN(xen_io_tlb_nslabs, IO_TLB_SEGSIZE); + } bytes = xen_io_tlb_nslabs << IO_TLB_SHIFT; |