linux-kernel - [GIT PULL] scheduler fix

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Date:   Thu, 11 Oct 2018 11:02:34 +0200
From:   Ingo Molnar <mingo@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...e.de>
Cc:     linux-kernel@...r.kernel.org,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Thomas Gleixner <tglx@...utronix.de>,
        Mel Gorman <mgorman@...hsingularity.net>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: [GIT PULL] scheduler fix

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(-)

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 3f4c0b167333..d4b0c79d2924 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -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
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 706a738c0aee..e2ef1c17942f 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -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);