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mm: Add folio_nid()
author
Matthew Wilcox (Oracle)
<willy@infradead.org>
Fri, 25 Jun 2021 13:27:29 +0000
(09:27 -0400)
committer
Matthew Wilcox (Oracle)
<willy@infradead.org>
Mon, 27 Sep 2021 13:27:31 +0000
(09:27 -0400)
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>
include/linux/mm.h
patch
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diff --git
a/include/linux/mm.h
b/include/linux/mm.h
index
95e36d0
..
04e41d4
100644
(file)
--- a/
include/linux/mm.h
+++ b/
include/linux/mm.h
@@
-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)
{