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| author | Doug Ledford <dledford@redhat.com> | 2016-12-14 14:44:25 -0500 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-12-14 14:44:25 -0500 |
| commit | 86ef0beaa0bdbec70d4261977b8b4a100fe54bfe (patch) | |
| tree | d2c1b52a7a6e493bada10dbdbcd2f8511baccc66 /drivers/infiniband/hw/mlx5/mem.c | |
| parent | 253f8b22e0ad643edafd75e831e5c765732877f5 (diff) | |
| parent | 7ceb740c540dde362b3055ad92c6a38009eb7a83 (diff) | |
| download | linux-86ef0beaa0bdbec70d4261977b8b4a100fe54bfe.tar.bz2 | |
Merge branch 'mlx' into merge-test
Diffstat (limited to 'drivers/infiniband/hw/mlx5/mem.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/mem.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mlx5/mem.c b/drivers/infiniband/hw/mlx5/mem.c index 996b54e366b0..6851357c16f4 100644 --- a/drivers/infiniband/hw/mlx5/mem.c +++ b/drivers/infiniband/hw/mlx5/mem.c @@ -37,12 +37,15 @@ /* @umem: umem object to scan * @addr: ib virtual address requested by the user + * @max_page_shift: high limit for page_shift - 0 means no limit * @count: number of PAGE_SIZE pages covered by umem * @shift: page shift for the compound pages found in the region * @ncont: number of compund pages * @order: log2 of the number of compound pages */ -void mlx5_ib_cont_pages(struct ib_umem *umem, u64 addr, int *count, int *shift, +void mlx5_ib_cont_pages(struct ib_umem *umem, u64 addr, + unsigned long max_page_shift, + int *count, int *shift, int *ncont, int *order) { unsigned long tmp; @@ -72,6 +75,8 @@ void mlx5_ib_cont_pages(struct ib_umem *umem, u64 addr, int *count, int *shift, addr = addr >> page_shift; tmp = (unsigned long)addr; m = find_first_bit(&tmp, BITS_PER_LONG); + if (max_page_shift) + m = min_t(unsigned long, max_page_shift - page_shift, m); skip = 1 << m; mask = skip - 1; i = 0; |