perf kmem: Fix statistics typo

Replace bytes_req with bytes_alloc.

Signed-off-by: Wenji Huang <wenji.huang@oracle.com>
Reviewed-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: acme@redhat.com
LKML-Reference: <1261389175-2227-1-git-send-email-wenji.huang@oracle.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
1 file changed