From: Matthew Wilcox (Oracle) <willy@infradead.org>
Date: Fri, 25 Jun 2021 13:27:29 +0000 (-0400)
Subject: mm: Add folio_nid()
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=78288ece6f0494b82d3fa7ae0b4123a7f543ad42;p=users%2Fjedix%2Flinux-maple.git

mm: Add folio_nid()

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>
---

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 41b9fd4427b7..98f7e013c0e7 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1428,6 +1428,11 @@ 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)
 {