scheduler fix

GIT PULL Ingo Molnar 1 participant 1 message Oct 11, 2018

Subsystems (4)

Memory management MM core Page allocator MGLRU

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Ingo Molnar

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2018-10-11 09:02 UTC #0 lore raw

Greg,

Please pull the latest sched-urgent-for-linus git tree from:

git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched-urgent-for-linus

# HEAD: e054637597ba36d3729ba6a3a3dd7aad8e2a3003 mm, sched/numa: Remove remaining traces of NUMA rate-limiting

Cleanup of dead code left over from the recent sched/numa fixes.

Thanks,

Ingo

------------------>
Srikar Dronamraju (1):
mm, sched/numa: Remove remaining traces of NUMA rate-limiting

 include/linux/mmzone.h |  4 ----
 mm/page_alloc.c        | 10 ----------
 2 files changed, 14 deletions(-)

include/linux/mmzone.h +0 -4

index 3f4c0b167333..d4b0c79d2924 100644
@@ -667,10 +667,6 @@ typedef struct pglist_data {
 	enum zone_type kcompactd_classzone_idx;
 	wait_queue_head_t kcompactd_wait;
 	struct task_struct *kcompactd;
-#endif
-#ifdef CONFIG_NUMA_BALANCING
-	/* Lock serializing the migrate rate limiting window */
-	spinlock_t numabalancing_migrate_lock;
 #endif
 	/*
 	 * This is a per-node reserve of pages that are not available

mm/page_alloc.c +0 ~~-10~~

index 706a738c0aee..e2ef1c17942f 100644
@@ -6193,15 +6193,6 @@ static unsigned long __init calc_memmap_size(unsigned long spanned_pages,
 	return PAGE_ALIGN(pages * sizeof(struct page)) >> PAGE_SHIFT;
 }
 
-#ifdef CONFIG_NUMA_BALANCING
-static void pgdat_init_numabalancing(struct pglist_data *pgdat)
-{
-	spin_lock_init(&pgdat->numabalancing_migrate_lock);
-}
-#else
-static void pgdat_init_numabalancing(struct pglist_data *pgdat) {}
-#endif
-
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
 static void pgdat_init_split_queue(struct pglist_data *pgdat)
 {

@@ -6226,7 +6217,6 @@ static void __meminit pgdat_init_internals(struct pglist_data *pgdat)
 {
 	pgdat_resize_init(pgdat);
 
-	pgdat_init_numabalancing(pgdat);
 	pgdat_init_split_queue(pgdat);
 	pgdat_init_kcompactd(pgdat);