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| author | Ingo Molnar <mingo@elte.hu> | 2011-07-01 12:34:09 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-07-01 12:34:24 +0400 |
| commit | 36b2e922b5acd291051fab25bc7535274ce49532 (patch) | |
| tree | ef4cdd6894075bb419cc31625b037f2b9212962f /drivers/xen/swiotlb-xen.c | |
| parent | e197f094b7da7d94812492cfcd706d143f1020e5 (diff) | |
| parent | b0af8dfdd67699e25083478c63eedef2e72ebd85 (diff) | |
| download | linux-36b2e922b5acd291051fab25bc7535274ce49532.tar.xz | |
Merge commit 'v3.0-rc5' into sched/core
Merge reason: Move to a (much) newer base.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 65ea21a97492..6e8c15a23201 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; |