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mlx4_core: Support creation of FMRs with pages smaller than 4K 

Don't hard code a test against a minimum page shift of 12, since the
device may support smaller pages.  Test against the actual smallest
page size from the device capabilities.

Signed-off-by: Oren Duer <oren@mellanox.co.il>
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Oren Duer 2008-05-05 15:56:52 -07:00 committed by Roland Dreier
parent cf04690885
commit c5057ddccb
1 changed files with 1 additions and 1 deletions
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2
drivers/net/mlx4/mr.c
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@ -551,7 +551,7 @@ int mlx4_fmr_alloc(struct mlx4_dev *dev, u32 pd, u32 access, int max_pages,
u64 mtt_seg;
int err = -ENOMEM;
if (page_shift < 12 || page_shift >= 32)
if (page_shift < (ffs(dev->caps.page_size_cap) - 1) || page_shift >= 32)
return -EINVAL;
/* All MTTs must fit in the same page */