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| author | Vasant Hegde <vasant.hegde@amd.com> | 2023-03-21 12:23:47 +0300 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2023-03-22 17:43:39 +0300 |
| commit | 0d571dcbe7c6d36dcfcb8e04a49cc01fe462d171 (patch) | |
| tree | d75be2be5e0d6751ccedec4dade0189e5f268f1b /drivers/iommu/amd/io_pgtable.c | |
| parent | e8d018dd0257f744ca50a729e3d042cf2ec9da65 (diff) | |
| download | linux-0d571dcbe7c6d36dcfcb8e04a49cc01fe462d171.tar.xz | |
iommu/amd: Allocate page table using numa locality info
Introduce 'struct protection_domain->nid' variable. It will contain
IOMMU NUMA node ID. And allocate page table pages using IOMMU numa
locality info. This optimizes page table walk by IOMMU.
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Link: https://lore.kernel.org/r/20230321092348.6127-2-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/amd/io_pgtable.c')
| -rw-r--r-- | drivers/iommu/amd/io_pgtable.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/iommu/amd/io_pgtable.c b/drivers/iommu/amd/io_pgtable.c index ace0e9b8b913..1b67116882be 100644 --- a/drivers/iommu/amd/io_pgtable.c +++ b/drivers/iommu/amd/io_pgtable.c @@ -156,7 +156,7 @@ static bool increase_address_space(struct protection_domain *domain, bool ret = true; u64 *pte; - pte = (void *)get_zeroed_page(gfp); + pte = alloc_pgtable_page(domain->nid, gfp); if (!pte) return false; @@ -250,7 +250,7 @@ static u64 *alloc_pte(struct protection_domain *domain, if (!IOMMU_PTE_PRESENT(__pte) || pte_level == PAGE_MODE_NONE) { - page = (u64 *)get_zeroed_page(gfp); + page = alloc_pgtable_page(domain->nid, gfp); if (!page) return NULL; |