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[PATCH] IB/mthca: allocate correct number of doorbell pages

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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>
This commit is contained in:
Roland Dreier 2005-04-16 15:26:18 -07:00 committed by Linus Torvalds
parent e464b2a6c2
commit 85665c9816
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/hw/mthca/mthca_memfree.c
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@ -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;