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struct subprocess_info *sub_info;
char *argv[] = { "/usr/bin/ls", "/tmp/", NULL };
static char *envp[] = {
"HOME=/",
"TERM=linux",
"PATH=/sbin:/bin:/usr/sbin:/usr/bin", NULL };
sub_info = call_usermodehelper_setup( argv[0], argv, envp, GFP_ATOMIC );
call_usermodehelper_exec( sub_info, UMH_WAIT_PROC );