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selftests/vm/gup_benchmark.c: match gup struct to kernel

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An expansion field was added to the kernel copy of this structure for
future use. See mm/gup_benchmark.c.

Add the same expansion field here, so that the IOCTL command decodes
correctly. Otherwise, it fails with EINVAL.

Signed-off-by: Alison Schofield <alison.schofield@intel.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Shuah Khan <shuah@kernel.org>
This commit is contained in:
Alison Schofield 2018-12-07 18:06:45 -08:00 • committed by Shuah Khan
parent b686057e95
commit 91cd63d320
1 changed files with 1 additions and 0 deletions
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tools/testing/selftests/vm/gup_benchmark.c
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@ -25,6 +25,7 @@ struct gup_benchmark {
__u64 size; __u64 size;
__u32 nr_pages_per_call; __u32 nr_pages_per_call;
__u32 flags; __u32 flags;
__u64 expansion[10]; /* For future use */
}; };
int main(int argc, char **argv) int main(int argc, char **argv)