Merge tag 'trace-v4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt...

[linux-2.6-block.git] / mm / page_ext.c

diff --git a/mm/page_ext.c b/mm/page_ext.c
index 5295ef331165f438b0d34892f345035d190e2204..a9826da84ccb31c1c1be2c5e58f984886a1883b3 100644 (file)
--- a/mm/page_ext.c
+++ b/mm/page_ext.c
@@ -120,7 +120,7 @@ void __meminit pgdat_page_ext_init(struct pglist_data *pgdat)
        pgdat->node_page_ext = NULL;
 }
 
-struct page_ext *lookup_page_ext(struct page *page)
+struct page_ext *lookup_page_ext(const struct page *page)
 {
        unsigned long pfn = page_to_pfn(page);
        unsigned long index;
@@ -195,7 +195,7 @@ fail:
 
 #else /* CONFIG_FLAT_NODE_MEM_MAP */
 
-struct page_ext *lookup_page_ext(struct page *page)
+struct page_ext *lookup_page_ext(const struct page *page)
 {
        unsigned long pfn = page_to_pfn(page);
        struct mem_section *section = __pfn_to_section(pfn);