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OpenCloudOS-Kernel
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RDMA/odp: Use kvcalloc for the dma_list and page_list 

There is no specific need for these to be in the valloc space, let the
system decide automatically how to do the allocation.

Link: https://lore.kernel.org/r/20190819111710.18440-10-leon@kernel.org
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Jason Gunthorpe 2019-08-19 14:17:07 +03:00
parent 204e3e5630
commit 37824952dc
1 changed files with 8 additions and 8 deletions
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16
drivers/infiniband/core/umem_odp.c
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@ -314,13 +314,13 @@ static inline int ib_init_umem_odp(struct ib_umem_odp *umem_odp,
*/
umem_odp->interval_tree.last--;
umem_odp->page_list = vzalloc(
array_size(sizeof(*umem_odp->page_list), pages));
umem_odp->page_list = kvcalloc(
pages, sizeof(*umem_odp->page_list), GFP_KERNEL);
if (!umem_odp->page_list)
return -ENOMEM;
umem_odp->dma_list =
vzalloc(array_size(sizeof(*umem_odp->dma_list), pages));
umem_odp->dma_list = kvcalloc(
pages, sizeof(*umem_odp->dma_list), GFP_KERNEL);
if (!umem_odp->dma_list) {
ret = -ENOMEM;
goto out_page_list;
@ -354,9 +354,9 @@ static inline int ib_init_umem_odp(struct ib_umem_odp *umem_odp,
out_unlock:
mutex_unlock(&ctx->per_mm_list_lock);
vfree(umem_odp->dma_list);
kvfree(umem_odp->dma_list);
out_page_list:
vfree(umem_odp->page_list);
kvfree(umem_odp->page_list);
return ret;
}
@ -532,8 +532,8 @@ void ib_umem_odp_release(struct ib_umem_odp *umem_odp)
ib_umem_odp_unmap_dma_pages(umem_odp, ib_umem_start(umem_odp),
ib_umem_end(umem_odp));
remove_umem_from_per_mm(umem_odp);
vfree(umem_odp->dma_list);
vfree(umem_odp->page_list);
kvfree(umem_odp->dma_list);
kvfree(umem_odp->page_list);
}
put_per_mm(umem_odp);
mmdrop(umem_odp->umem.owning_mm);