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Commit c5057ddc authored by Oren Duer's avatar Oren Duer Committed by Roland Dreier
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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: default avatarOren Duer <oren@mellanox.co.il>
Signed-off-by: default avatarJack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent cf046908

drivers/net/mlx4/mr.c

+1 −1
Original line number Diff line number Diff line
@@ -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 */