[merged] mm-hugetlb-use-list_splice-to-merge-two-list-at-once.patch removed from -mm tree

[merged] mm-hugetlb-use-list_splice-to-merge-two-list-at-once.patch removed from -mm tree

[akpm]

The patch titled
     Subject: mm/hugetlb: use list_splice to merge two list at once
has been removed from the -mm tree.  Its filename was
     mm-hugetlb-use-list_splice-to-merge-two-list-at-once.patch

This patch was dropped because it was merged into mainline or a subsystem tree

------------------------------------------------------
From: Wei Yang <richard.weiyang@linux.alibaba.com>
Subject: mm/hugetlb: use list_splice to merge two list at once

Instead of add allocated file_region one by one to region_cache, we could
use list_splice to merge two list at once.

Also we know the number of entries in the list, increase the number
directly.

Link: https://lkml.kernel.org/r/20200831022351.20916-4-richard.weiyang@linux.alibaba.com
Signed-off-by: Wei Yang <richard.weiyang@linux.alibaba.com>
Reviewed-by: Baoquan He <bhe@redhat.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/hugetlb.c |    7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

--- a/mm/hugetlb.c~mm-hugetlb-use-list_splice-to-merge-two-list-at-once
+++ a/mm/hugetlb.c
@@ -443,11 +443,8 @@ static int allocate_file_region_entries(
 
 		spin_lock(&resv->lock);
 
-		list_for_each_entry_safe(rg, trg, &allocated_regions, link) {
-			list_del(&rg->link);
-			list_add(&rg->link, &resv->region_cache);
-			resv->region_cache_count++;
-		}
+		list_splice(&allocated_regions, &resv->region_cache);
+		resv->region_cache_count += to_allocate;
 	}
 
 	return 0;
_

Patches currently in -mm which might be from richard.weiyang@linux.alibaba.com are

mm-page_reporting-drop-stale-list-head-check-in-page_reporting_cycle.patch
bitops-simplify-get_count_order_long.patch
bitops-use-the-same-mechanism-for-get_count_order.patch