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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>
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@ -551,7 +551,7 @@ int mlx4_fmr_alloc(struct mlx4_dev *dev, u32 pd, u32 access, int max_pages,
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u64 mtt_seg;
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int err = -ENOMEM;
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if (page_shift < 12 || page_shift >= 32)
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if (page_shift < (ffs(dev->caps.page_size_cap) - 1) || page_shift >= 32)
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return -EINVAL;
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/* All MTTs must fit in the same page */
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