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-rw-r--r--mm/khugepaged.c10
-rw-r--r--mm/page_alloc.c7
2 files changed, 14 insertions, 3 deletions
diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index 8a8b3aa92937..629961966854 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -2299,6 +2299,11 @@ static void set_recommended_min_free_kbytes(void)
int nr_zones = 0;
unsigned long recommended_min;
+ if (!khugepaged_enabled()) {
+ calculate_min_free_kbytes();
+ goto update_wmarks;
+ }
+
for_each_populated_zone(zone) {
/*
* We don't need to worry about fragmentation of
@@ -2334,6 +2339,8 @@ static void set_recommended_min_free_kbytes(void)
min_free_kbytes = recommended_min;
}
+
+update_wmarks:
setup_per_zone_wmarks();
}
@@ -2355,12 +2362,11 @@ int start_stop_khugepaged(void)
if (!list_empty(&khugepaged_scan.mm_head))
wake_up_interruptible(&khugepaged_wait);
-
- set_recommended_min_free_kbytes();
} else if (khugepaged_thread) {
kthread_stop(khugepaged_thread);
khugepaged_thread = NULL;
}
+ set_recommended_min_free_kbytes();
fail:
mutex_unlock(&khugepaged_mutex);
return err;
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index a7035467bf6d..09a0f1c5d5d2 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -8469,7 +8469,7 @@ void setup_per_zone_wmarks(void)
* 8192MB: 11584k
* 16384MB: 16384k
*/
-int __meminit init_per_zone_wmark_min(void)
+void calculate_min_free_kbytes(void)
{
unsigned long lowmem_kbytes;
int new_min_free_kbytes;
@@ -8483,6 +8483,11 @@ int __meminit init_per_zone_wmark_min(void)
pr_warn("min_free_kbytes is not updated to %d because user defined value %d is preferred\n",
new_min_free_kbytes, user_min_free_kbytes);
+}
+
+int __meminit init_per_zone_wmark_min(void)
+{
+ calculate_min_free_kbytes();
setup_per_zone_wmarks();
refresh_zone_stat_thresholds();
setup_per_zone_lowmem_reserve();