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mm: Add folio_nid()

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This is the folio equivalent of page_to_nid().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Reviewed-by: David Howells <dhowells@redhat.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
This commit is contained in:
Matthew Wilcox (Oracle) 2021-06-25 09:27:29 -04:00
parent dd10ab049b
commit 874fd90caf
1 changed files with 5 additions and 0 deletions
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5
include/linux/mm.h
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@ -1429,6 +1429,11 @@ static inline int page_to_nid(const struct page *page)
}
#endif
static inline int folio_nid(const struct folio *folio)
{
return page_to_nid(&folio->page);
}
#ifdef CONFIG_NUMA_BALANCING
static inline int cpu_pid_to_cpupid(int cpu, int pid)
{