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author | Olof Johansson <olof@lixom.net> | 2012-09-05 15:35:48 -0700 |
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committer | Olof Johansson <olof@lixom.net> | 2012-09-05 15:35:48 -0700 |
commit | 1875962377574b4edb7b164001e3e341c25290d5 (patch) | |
tree | 374a5299403ec21e2d9a66a6548ce876a388b589 /drivers/net/ethernet/mellanox/mlx4/mr.c | |
parent | 5cbee140a28c2746449ae31e85738043ae4da927 (diff) | |
parent | c88a79a7789b2909ad1cf69ea2c9142030bbd6f4 (diff) | |
download | op-kernel-dev-1875962377574b4edb7b164001e3e341c25290d5.zip op-kernel-dev-1875962377574b4edb7b164001e3e341c25290d5.tar.gz |
Merge branch 'soc-core' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/dt
* 'soc-core' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: mach-shmobile: Add compilation support for dtbs using 'make dtbs'
+ sync to 3.6-rc3
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/mr.c')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mr.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/mr.c b/drivers/net/ethernet/mellanox/mlx4/mr.c index af55b7c..c202d3a 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mr.c +++ b/drivers/net/ethernet/mellanox/mlx4/mr.c @@ -37,6 +37,7 @@ #include <linux/export.h> #include <linux/slab.h> #include <linux/kernel.h> +#include <linux/vmalloc.h> #include <linux/mlx4/cmd.h> @@ -120,7 +121,7 @@ static int mlx4_buddy_init(struct mlx4_buddy *buddy, int max_order) buddy->max_order = max_order; spin_lock_init(&buddy->lock); - buddy->bits = kzalloc((buddy->max_order + 1) * sizeof (long *), + buddy->bits = kcalloc(buddy->max_order + 1, sizeof (long *), GFP_KERNEL); buddy->num_free = kcalloc((buddy->max_order + 1), sizeof *buddy->num_free, GFP_KERNEL); @@ -129,10 +130,12 @@ static int mlx4_buddy_init(struct mlx4_buddy *buddy, int max_order) for (i = 0; i <= buddy->max_order; ++i) { s = BITS_TO_LONGS(1 << (buddy->max_order - i)); - buddy->bits[i] = kmalloc(s * sizeof (long), GFP_KERNEL); - if (!buddy->bits[i]) - goto err_out_free; - bitmap_zero(buddy->bits[i], 1 << (buddy->max_order - i)); + buddy->bits[i] = kcalloc(s, sizeof (long), GFP_KERNEL | __GFP_NOWARN); + if (!buddy->bits[i]) { + buddy->bits[i] = vzalloc(s * sizeof(long)); + if (!buddy->bits[i]) + goto err_out_free; + } } set_bit(0, buddy->bits[buddy->max_order]); @@ -142,7 +145,10 @@ static int mlx4_buddy_init(struct mlx4_buddy *buddy, int max_order) err_out_free: for (i = 0; i <= buddy->max_order; ++i) - kfree(buddy->bits[i]); + if (buddy->bits[i] && is_vmalloc_addr(buddy->bits[i])) + vfree(buddy->bits[i]); + else + kfree(buddy->bits[i]); err_out: kfree(buddy->bits); @@ -156,7 +162,10 @@ static void mlx4_buddy_cleanup(struct mlx4_buddy *buddy) int i; for (i = 0; i <= buddy->max_order; ++i) - kfree(buddy->bits[i]); + if (is_vmalloc_addr(buddy->bits[i])) + vfree(buddy->bits[i]); + else + kfree(buddy->bits[i]); kfree(buddy->bits); kfree(buddy->num_free); @@ -668,7 +677,7 @@ int mlx4_init_mr_table(struct mlx4_dev *dev) return err; err = mlx4_buddy_init(&mr_table->mtt_buddy, - ilog2(dev->caps.num_mtts / + ilog2((u32)dev->caps.num_mtts / (1 << log_mtts_per_seg))); if (err) goto err_buddy; @@ -678,7 +687,7 @@ int mlx4_init_mr_table(struct mlx4_dev *dev) mlx4_alloc_mtt_range(dev, fls(dev->caps.reserved_mtts - 1)); if (priv->reserved_mtts < 0) { - mlx4_warn(dev, "MTT table of order %d is too small.\n", + mlx4_warn(dev, "MTT table of order %u is too small.\n", mr_table->mtt_buddy.max_order); err = -ENOMEM; goto err_reserve_mtts; |