[dpdk-dev,v4,43/70] net/mlx4: use virt2memseg instead of iteration
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Commit Message
Reduce dependency on internal details of EAL memory subsystem, and
simplify code.
Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
---
drivers/net/mlx4/mlx4_mr.c | 17 +++++++----------
1 file changed, 7 insertions(+), 10 deletions(-)
@@ -126,7 +126,7 @@ mlx4_check_mempool(struct rte_mempool *mp, uintptr_t *start, uintptr_t *end)
struct mlx4_mr *
mlx4_mr_get(struct priv *priv, struct rte_mempool *mp)
{
- const struct rte_memseg *ms = rte_eal_get_physmem_layout();
+ const struct rte_memseg *ms;
uintptr_t start;
uintptr_t end;
unsigned int i;
@@ -142,16 +142,13 @@ mlx4_mr_get(struct priv *priv, struct rte_mempool *mp)
(void *)mp, (void *)start, (void *)end,
(size_t)(end - start));
/* Round start and end to page boundary if found in memory segments. */
- for (i = 0; (i < RTE_MAX_MEMSEG) && (ms[i].addr != NULL); ++i) {
- uintptr_t addr = (uintptr_t)ms[i].addr;
- size_t len = ms[i].len;
- unsigned int align = ms[i].hugepage_sz;
+ ms = rte_mem_virt2memseg((void *)start);
+ if (ms != NULL)
+ start = RTE_ALIGN_FLOOR(start, ms->hugepage_sz);
+ ms = rte_mem_virt2memseg((void *)end);
+ if (ms != NULL)
+ end = RTE_ALIGN_CEIL(end, ms->hugepage_sz);
- if ((start > addr) && (start < addr + len))
- start = RTE_ALIGN_FLOOR(start, align);
- if ((end > addr) && (end < addr + len))
- end = RTE_ALIGN_CEIL(end, align);
- }
DEBUG("mempool %p using start=%p end=%p size=%zu for MR",
(void *)mp, (void *)start, (void *)end,
(size_t)(end - start));