diff options
Diffstat (limited to 'mm/huge_memory.c')
| -rw-r--r-- | mm/huge_memory.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 0af19fffe1df..078832cf3636 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -110,10 +110,6 @@ static int set_recommended_min_free_kbytes(void) int nr_zones = 0; unsigned long recommended_min; - /* khugepaged thread has stopped to failed to start */ - if (!khugepaged_thread) - return 0; - for_each_populated_zone(zone) nr_zones++; @@ -145,9 +141,8 @@ static int set_recommended_min_free_kbytes(void) setup_per_zone_wmarks(); return 0; } -late_initcall(set_recommended_min_free_kbytes); -static int start_khugepaged(void) +static int start_stop_khugepaged(void) { int err = 0; if (khugepaged_enabled()) { @@ -158,6 +153,7 @@ static int start_khugepaged(void) pr_err("khugepaged: kthread_run(khugepaged) failed\n"); err = PTR_ERR(khugepaged_thread); khugepaged_thread = NULL; + goto fail; } if (!list_empty(&khugepaged_scan.mm_head)) @@ -168,7 +164,7 @@ static int start_khugepaged(void) kthread_stop(khugepaged_thread); khugepaged_thread = NULL; } - +fail: return err; } @@ -302,7 +298,7 @@ static ssize_t enabled_store(struct kobject *kobj, int err; mutex_lock(&khugepaged_mutex); - err = start_khugepaged(); + err = start_stop_khugepaged(); mutex_unlock(&khugepaged_mutex); if (err) @@ -651,10 +647,12 @@ static int __init hugepage_init(void) * where the extra memory used could hurt more than TLB overhead * is likely to save. The admin can still enable it through /sys. */ - if (totalram_pages < (512 << (20 - PAGE_SHIFT))) + if (totalram_pages < (512 << (20 - PAGE_SHIFT))) { transparent_hugepage_flags = 0; + return 0; + } - err = start_khugepaged(); + err = start_stop_khugepaged(); if (err) goto err_khugepaged; |