Until THP native migration is implemented it's safer to boost khugepaged scanning rate because all memory migration are splitting the hugepages. So the regular rate of scanning becomes too low when lots of memory is migrated.
Signed-off-by: Andrea Arcangeli <aarca...@redhat.com> --- mm/huge_memory.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 579e52b..00320b6 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -573,6 +573,12 @@ static int __init hugepage_init(void) set_recommended_min_free_kbytes(); + /* Hack, remove after THP native migration */ + if (autonuma_possible()) { + khugepaged_scan_sleep_millisecs = 100; + khugepaged_alloc_sleep_millisecs = 10000; + } + return 0; out: hugepage_exit_sysfs(hugepage_kobj); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/