Fix rusage

kernel/Makefile.build.in

@@ -3,7 +3,7 @@ SRC=$(VPATH)
 IHKDIR=$(IHKBASE)/$(TARGETDIR)
 OBJS = init.o mem.o debug.o mikc.o listeners.o ap.o syscall.o cls.o host.o
 OBJS += process.o copy.o waitq.o futex.o timer.o plist.o fileobj.o shmobj.o
-OBJS += zeroobj.o procfs.o devobj.o sysfs.o xpmem.o rusage.o profile.c freeze.o
+OBJS += zeroobj.o procfs.o devobj.o sysfs.o xpmem.o rusage.o profile.o freeze.o
 DEPSRCS=$(wildcard $(SRC)/*.c)
 
 CFLAGS += -I$(SRC)/include -I@abs_builddir@/include -D__KERNEL__  -g -fno-omit-frame-pointer -fno-inline -fno-inline-small-functions

kernel/init.c

@@ -399,9 +399,6 @@ int main(void)
 	os_status = IHK_STATUS_INACTIVE;
 	rusage_hugetlb_usage = 0;
 	rusage_hugetlb_max_usage = 0;
-	for (i = 0; i < sizeof(cpu_set_t)/8; i++) {
-		rusage_rss[i] = 0;
-	}
 	for (i = 0; i < 1024; i++) {
 		rusage_numa_stat[i] = 0;
 	}