Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland...

[firefly-linux-kernel-4.4.55.git] / include / linux / mm.h

diff --git a/include/linux/mm.h b/include/linux/mm.h
index fd599f4bb84611df04ff505b794bae4ed77a53ee..7438071b44aa7d3c5f12a60824941de05940eb42 100644 (file)
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -685,7 +685,7 @@ static inline void set_page_section(struct page *page, unsigned long section)
        page->flags |= (section & SECTIONS_MASK) << SECTIONS_PGSHIFT;
 }
 
-static inline unsigned long page_to_section(struct page *page)
+static inline unsigned long page_to_section(const struct page *page)
 {
        return (page->flags >> SECTIONS_PGSHIFT) & SECTIONS_MASK;
 }
@@ -720,7 +720,7 @@ static inline void set_page_links(struct page *page, enum zone_type zone,
 
 static __always_inline void *lowmem_page_address(const struct page *page)
 {
-       return __va(PFN_PHYS(page_to_pfn((struct page *)page)));
+       return __va(PFN_PHYS(page_to_pfn(page)));
 }
 
 #if defined(CONFIG_HIGHMEM) && !defined(WANT_PAGE_VIRTUAL)
@@ -737,7 +737,7 @@ static __always_inline void *lowmem_page_address(const struct page *page)
 #endif
 
 #if defined(HASHED_PAGE_VIRTUAL)
-void *page_address(struct page *page);
+void *page_address(const struct page *page);
 void set_page_address(struct page *page, void *virtual);
 void page_address_init(void);
 #endif