* [patch 167/198] IB/mthca: allow unaligned memory regions
@ 2005-04-12 10:33 akpm
0 siblings, 0 replies; only message in thread
From: akpm @ 2005-04-12 10:33 UTC (permalink / raw)
To: torvalds; +Cc: linux-kernel, akpm, mst, roland
From: Michael S. Tsirkin <mst@mellanox.co.il>
The first buffer of a memory region is not required to be page-aligned, so
don't return an error if it's not.
Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: Roland Dreier <roland@topspin.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
25-akpm/drivers/infiniband/hw/mthca/mthca_provider.c | 2 +-
1 files changed, 1 insertion(+), 1 deletion(-)
diff -puN drivers/infiniband/hw/mthca/mthca_provider.c~ib-mthca-allow-unaligned-memory-regions drivers/infiniband/hw/mthca/mthca_provider.c
--- 25/drivers/infiniband/hw/mthca/mthca_provider.c~ib-mthca-allow-unaligned-memory-regions 2005-04-12 03:21:43.262559992 -0700
+++ 25-akpm/drivers/infiniband/hw/mthca/mthca_provider.c 2005-04-12 03:21:43.265559536 -0700
@@ -494,7 +494,7 @@ static struct ib_mr *mthca_reg_phys_mr(s
mask = 0;
total_size = 0;
for (i = 0; i < num_phys_buf; ++i) {
- if (buffer_list[i].addr & ~PAGE_MASK)
+ if (i != 0 && buffer_list[i].addr & ~PAGE_MASK)
return ERR_PTR(-EINVAL);
if (i != 0 && i != num_phys_buf - 1 &&
(buffer_list[i].size & ~PAGE_MASK))
_
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2005-04-12 10:33 [patch 167/198] IB/mthca: allow unaligned memory regions akpm
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