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author | Jason Gunthorpe <[email protected]> | 2023-01-23 16:35:58 -0400 |
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committer | Joerg Roedel <[email protected]> | 2023-01-25 11:52:04 +0100 |
commit | e787a38e31e57c35682d363e71891956d804f7e3 (patch) | |
tree | 5d9e079706d7a8423d0e40ab853fb2e8c8480ace /tools/perf/scripts/python/export-to-sqlite.py | |
parent | 96d57808808595d33f98cef5b3c0f75dde6a72f2 (diff) |
iommufd: Use GFP_KERNEL_ACCOUNT for iommu_map()
iommufd follows the same design as KVM and uses memory cgroups to limit
the amount of kernel memory a iommufd file descriptor can pin down. The
various internal data structures already use GFP_KERNEL_ACCOUNT.
However, one of the biggest consumers of kernel memory is the IOPTEs
stored under the iommu_domain. Many drivers will allocate these at
iommu_map() time and will trivially do the right thing if we pass in
GFP_KERNEL_ACCOUNT.
Reviewed-by: Kevin Tian <[email protected]>
Signed-off-by: Jason Gunthorpe <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Joerg Roedel <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/export-to-sqlite.py')
0 files changed, 0 insertions, 0 deletions