diff options
| author | Yuan Can <yuancan@huawei.com> | 2023-09-06 17:31:57 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-10-04 10:32:22 -0700 |
| commit | 6a898c2757af1ac852bb917a0866d2724f303076 (patch) | |
| tree | 95a81cb681a90b2145f6a0603c3f2342c5cf41cd /mm | |
| parent | 7fa38d0ea00ffe2cd3c95c96c85221b8ae221875 (diff) | |
mm: hugetlb_vmemmap: allow alloc vmemmap pages fallback to other nodes
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>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/hugetlb_vmemmap.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/hugetlb_vmemmap.c b/mm/hugetlb_vmemmap.c index 3e5387835ad6..0bde38626d25 100644 --- a/mm/hugetlb_vmemmap.c +++ b/mm/hugetlb_vmemmap.c @@ -320,8 +320,7 @@ static int vmemmap_remap_free(unsigned long start, unsigned long end, .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 |