min_free_kbytes may be updated during thp's initialization. Sometimes, this will change the value being set by user. Showing message will clarify this confusion.
Signed-off-by: Han Pingtian <ha...@linux.vnet.ibm.com> --- mm/huge_memory.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 7de1bf8..46011c6 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -130,8 +130,11 @@ static int set_recommended_min_free_kbytes(void) (unsigned long) nr_free_buffer_pages() / 20); recommended_min <<= (PAGE_SHIFT-10); - if (recommended_min > min_free_kbytes) + if (recommended_min > min_free_kbytes) { min_free_kbytes = recommended_min; + pr_info("min_free_kbytes is updated to %d by enabling transparent hugepage.\n", + min_free_kbytes); + } setup_per_zone_wmarks(); return 0; } -- 1.7.7.6 -- 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/