Messages in this thread Patch in this message | | | Subject | [patch 168/198] IB/mthca: allocate correct number of doorbell pages | From | akpm@osdl ... | Date | Tue, 12 Apr 2005 03:33:11 -0700 |
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From: Roland Dreier <roland@topspin.com>
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> ---
25-akpm/drivers/infiniband/hw/mthca/mthca_memfree.c | 2 +- 1 files changed, 1 insertion(+), 1 deletion(-)
diff -puN drivers/infiniband/hw/mthca/mthca_memfree.c~ib-mthca-allocate-correct-number-of-doorbell-pages drivers/infiniband/hw/mthca/mthca_memfree.c --- 25/drivers/infiniband/hw/mthca/mthca_memfree.c~ib-mthca-allocate-correct-number-of-doorbell-pages 2005-04-12 03:21:43.467528832 -0700 +++ 25-akpm/drivers/infiniband/hw/mthca/mthca_memfree.c 2005-04-12 03:21:43.470528376 -0700 @@ -446,7 +446,7 @@ int mthca_init_db_tab(struct mthca_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; _ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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