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/Linux-v4.19/tools/testing/selftests/x86/
Dprotection_keys.c1067 int pipe_fds[2]; in test_kernel_gup_of_access_disabled_region() local
1069 pipe_ret = pipe(pipe_fds); in test_kernel_gup_of_access_disabled_region()
1077 vmsplice_ret = vmsplice(pipe_fds[1], &iov, 1, SPLICE_F_GIFT); in test_kernel_gup_of_access_disabled_region()
1081 close(pipe_fds[0]); in test_kernel_gup_of_access_disabled_region()
1082 close(pipe_fds[1]); in test_kernel_gup_of_access_disabled_region()