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* [merged mm-stable] mm-hugetlb_vmemmap-allow-alloc-vmemmap-pages-fallback-to-other-nodes.patch removed from -mm tree
@ 2023-10-04 20:18 Andrew Morton
  0 siblings, 0 replies; only message in thread
From: Andrew Morton @ 2023-10-04 20:18 UTC (permalink / raw)
  To: mm-commits, songmuchun, mike.kravetz, yuancan, akpm


The quilt patch titled
     Subject: mm: hugetlb_vmemmap: allow alloc vmemmap pages fallback to other nodes
has been removed from the -mm tree.  Its filename was
     mm-hugetlb_vmemmap-allow-alloc-vmemmap-pages-fallback-to-other-nodes.patch

This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Yuan Can <yuancan@huawei.com>
Subject: mm: hugetlb_vmemmap: allow alloc vmemmap pages fallback to other nodes
Date: Wed, 6 Sep 2023 17:31:57 +0800

In vmemmap_remap_free(), a new head vmemmap page is allocated to avoid
breaking a contiguous block of struct page memory, however, the allocation
can always fail when the given node is movable node.  Remove the
__GFP_THISNODE to help avoid fragmentation.

Link: https://lkml.kernel.org/r/20230906093157.9737-1-yuancan@huawei.com
Signed-off-by: Yuan Can <yuancan@huawei.com>
Suggested-by: Mike Kravetz <mike.kravetz@oracle.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Suggested-by: Muchun Song <songmuchun@bytedance.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/hugetlb_vmemmap.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/mm/hugetlb_vmemmap.c~mm-hugetlb_vmemmap-allow-alloc-vmemmap-pages-fallback-to-other-nodes
+++ a/mm/hugetlb_vmemmap.c
@@ -320,8 +320,7 @@ static int vmemmap_remap_free(unsigned l
 		.vmemmap_pages	= &vmemmap_pages,
 	};
 	int nid = page_to_nid((struct page *)start);
-	gfp_t gfp_mask = GFP_KERNEL | __GFP_THISNODE | __GFP_NORETRY |
-			__GFP_NOWARN;
+	gfp_t gfp_mask = GFP_KERNEL | __GFP_NORETRY | __GFP_NOWARN;
 
 	/*
 	 * Allocate a new head vmemmap page to avoid breaking a contiguous
_

Patches currently in -mm which might be from yuancan@huawei.com are



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2023-10-04 20:18 [merged mm-stable] mm-hugetlb_vmemmap-allow-alloc-vmemmap-pages-fallback-to-other-nodes.patch removed from -mm tree Andrew Morton

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