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[IB] mthca: Round up number of slots in HCA context memory table

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When allocating a table for mem-free HCA context, don't assume that
obj_size * nobj is an even multiple of MTHCA_TABLE_CHUNK_SIZE.  In
particular, make sure we allocate at least one slot even if the table
is smaller than MTHCA_TABLE_CHUNK_SIZE.

Signed-off-by: Michael S. Tsirkin <[email protected]>
Signed-off-by: Roland Dreier <[email protected]>
This commit is contained in:
Michael S. Tsirkin 2005-09-26 21:12:26 -07:00 • committed by Roland Dreier
commit f02b16bea2
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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@ -290,7 +290,7 @@ struct mthca_icm_table *mthca_alloc_icm_table(struct mthca_dev *dev,
int i;
u8 status;
num_icm = obj_size * nobj / MTHCA_TABLE_CHUNK_SIZE;
num_icm = (obj_size * nobj + MTHCA_TABLE_CHUNK_SIZE - 1) / MTHCA_TABLE_CHUNK_SIZE;
table = kmalloc(sizeof *table + num_icm * sizeof *table->icm, GFP_KERNEL);
if (!table)