The patchset is desinged to test THP functionality.
when one process allocate hugepage aligned anonymouse pages,
kernel thread 'khugepaged' controlled by sysfs knobs
/sys/kernel/mm/transparent_hugepage/* will scan them, and make
them as transparent hugepage if they are suited, you can find out
how many transparent hugepages are there in one process from
/proc/<pid>/smaps, among the file contents, 'AnonHugePages' entry
stand for transparent hugepage.
V1 to V2:
accepted Wanlong's suggestion, added some comment for '10s'
added 'static' key word for single-file-only variant.
Zhouping Liu (3):
mm/thp: new case thp04.c
lib/mem: introduce a new function set_global_mempolicy()
mm/thp: add new case thp05
runtest/mm | 6 ++
testcases/kernel/mem/include/mem.h | 12 +++
testcases/kernel/mem/lib/mem.c | 197 ++++++++++++++++++++++++++++++++++++-
testcases/kernel/mem/thp/thp04.c | 136 +++++++++++++++++++++++++
testcases/kernel/mem/thp/thp05.c | 152 ++++++++++++++++++++++++++++
5 files changed, 502 insertions(+), 1 deletion(-)
create mode 100644 testcases/kernel/mem/thp/thp04.c
create mode 100644 testcases/kernel/mem/thp/thp05.c
--
1.7.11.7
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