test results

Without changes:
When swapped out:
cat /proc/meminfo:
AnonPages:       1739152 kB
AnonHugePages:   1288192 kB
Fraction:	 1,35

For thp_tester.c (cat /proc/pid/smap):
Anonymous:       1283860 kB
AnonHugePages:   1263616 kB
Swap:             316148 kB
Fraction:	 1,016

When swapped in:
cat /proc/meminfo:
AnonPages:       2084928 kB
AnonHugePages:   1290240 kB
Fraction:	 1,615

For thp_tester.c (cat /proc/pid/smap):
Anonymous:       1599972 kB
AnonHugePages:   1263616 kB
Swap:                 36 kB
Fraction:	 1,266
--------------------------------------------------------------------------
With changes:

When swapped out:
cat /proc/meminfo
AnonPages:       1789236 kB
AnonHugePages:   1335296 kB
Fraction:	 1,33

For thp_tester.c (cat /proc/pid/smap):
Anonymous:       1327924 kB
AnonHugePages:   1320960 kB
Swap:             272084 kB
Fraction:	1,005

When swapped in:
cat /proc/meminfo
AnonPages:       2070268 kB
AnonHugePages:   1339392 kB
Fraction:	 1,54

For thp_tester.c (cat /proc/pid/smap):
Anonymous:       1599992 kB
AnonHugePages:   1320960 kB
Swap:                 16 kB
Fraction:	 1,21