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authorRoland Dreier <roland@topspin.com>2005-04-16 15:26:18 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:26:18 -0700
commit85665c9816a2b38866e03c019bf5c2e47eb9fb04 (patch)
treee9a2d836259c200967e4be4185fcc7cc9a3e80ed /drivers/infiniband/hw/mthca/mthca_memfree.c
parente464b2a6c2c297702205ab725fd82489550a7893 (diff)
downloadlinux-2.6.34-ux500-85665c9816a2b38866e03c019bf5c2e47eb9fb04.tar.gz
[PATCH] IB/mthca: allocate correct number of doorbell pages
Doorbell record pages are allocated in HCA page size chunks (always 4096 bytes), so we need to divide by 4096 and not PAGE_SIZE when figuring out how many pages we'll need space for. Signed-off-by: Roland Dreier <roland@topspin.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/infiniband/hw/mthca/mthca_memfree.c')
-rw-r--r--drivers/infiniband/hw/mthca/mthca_memfree.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_memfree.c b/drivers/infiniband/hw/mthca/mthca_memfree.c
index a70a1c712b4..e8f93478f38 100644
--- a/drivers/infiniband/hw/mthca/mthca_memfree.c
+++ b/drivers/infiniband/hw/mthca/mthca_memfree.c
@@ -446,7 +446,7 @@ int mthca_init_db_tab(struct mthca_dev *dev)
init_MUTEX(&dev->db_tab->mutex);
- dev->db_tab->npages = dev->uar_table.uarc_size / PAGE_SIZE;
+ dev->db_tab->npages = dev->uar_table.uarc_size / 4096;
dev->db_tab->max_group1 = 0;
dev->db_tab->min_group2 = dev->db_tab->npages - 1;