diff options
| author | Baolin Wang <baolin.wang@linux.alibaba.com> | 2020-06-12 06:39:55 +0300 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2020-07-24 15:29:47 +0300 |
| commit | f34ce7a7018c2f71d78fc7f512f6daf01e487114 (patch) | |
| tree | c6fbf5b1870c665346ee0af9a96e99fd80f4394e /include/linux/io-pgtable.h | |
| parent | 9930264fd997dad4c2cd8914cec7acab7c0ed984 (diff) | |
| download | linux-f34ce7a7018c2f71d78fc7f512f6daf01e487114.tar.xz | |
iommu: Add gfp parameter to io_pgtable_ops->map()
Now the ARM page tables are always allocated by GFP_ATOMIC parameter,
but the iommu_ops->map() function has been added a gfp_t parameter by
commit 781ca2de89ba ("iommu: Add gfp parameter to iommu_ops::map"),
thus io_pgtable_ops->map() should use the gfp parameter passed from
iommu_ops->map() to allocate page pages, which can avoid wasting the
memory allocators atomic pools for some non-atomic contexts.
Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/3093df4cb95497aaf713fca623ce4ecebb197c2e.1591930156.git.baolin.wang@linux.alibaba.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'include/linux/io-pgtable.h')
| -rw-r--r-- | include/linux/io-pgtable.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/io-pgtable.h b/include/linux/io-pgtable.h index 53d53c6c2be9..23285ba645db 100644 --- a/include/linux/io-pgtable.h +++ b/include/linux/io-pgtable.h @@ -155,7 +155,7 @@ struct io_pgtable_cfg { */ struct io_pgtable_ops { int (*map)(struct io_pgtable_ops *ops, unsigned long iova, - phys_addr_t paddr, size_t size, int prot); + phys_addr_t paddr, size_t size, int prot, gfp_t gfp); size_t (*unmap)(struct io_pgtable_ops *ops, unsigned long iova, size_t size, struct iommu_iotlb_gather *gather); phys_addr_t (*iova_to_phys)(struct io_pgtable_ops *ops, |