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| author | Muchun Song <songmuchun@bytedance.com> | 2021-06-30 18:48:25 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-06-30 20:47:26 -0700 |
| commit | 2d7a21715f25122779e2bed17db8c57aa01e922f (patch) | |
| tree | cc7a4a04819e442b0a59c5f55098d09802665216 /mm/memory_hotplug.c | |
| parent | 3bc2b6a725963bb1b441356873da890e397c1a3f (diff) | |
| download | lwn-2d7a21715f25122779e2bed17db8c57aa01e922f.tar.gz lwn-2d7a21715f25122779e2bed17db8c57aa01e922f.zip | |
mm: sparsemem: use huge PMD mapping for vmemmap pages
The preparation of splitting huge PMD mapping of vmemmap pages is ready,
so switch the mapping from PTE to PMD.
Link: https://lkml.kernel.org/r/20210616094915.34432-3-songmuchun@bytedance.com
Signed-off-by: Muchun Song <songmuchun@bytedance.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Chen Huang <chenhuang5@huawei.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Xiongchun Duan <duanxiongchun@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memory_hotplug.c')
| -rw-r--r-- | mm/memory_hotplug.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 29d1d742b565..492560b61999 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -1056,7 +1056,7 @@ bool mhp_supports_memmap_on_memory(unsigned long size) * populate a single PMD. */ return memmap_on_memory && - !is_hugetlb_free_vmemmap_enabled() && + !hugetlb_free_vmemmap_enabled && IS_ENABLED(CONFIG_MHP_MEMMAP_ON_MEMORY) && size == memory_block_size_bytes() && IS_ALIGNED(vmemmap_size, PMD_SIZE) && |