This allows the cast in lowmem_page_address (introduced as a warning fixup to 33dd4e0ec911 "mm: make some struct page's const") to be removed. Propagate const'ness to page_to_section() as well since it is required by __page_to_pfn.
Showing the changes to include/linux (1 of 2 files). Show all
Unified · Split
| @@ -685,7 +685,7 @@ static inline void set_page_section(struct page *page, unsigned long section) · 684 unmodified lines | |||
| 685 | page->flags |= (section & SECTIONS_MASK) << SECTIONS_PGSHIFT; | 685 | page->flags |= (section & SECTIONS_MASK) << SECTIONS_PGSHIFT; |
| 686 | } | 686 | } |
| 687 | 687 | ||
| 688 | static inline unsigned long page_to_section(struct page *page) | 688 | static inline unsigned long page_to_section(const struct page *page) |
| 689 | { | 689 | { |
| 690 | return (page->flags >> SECTIONS_PGSHIFT) & SECTIONS_MASK; | 690 | return (page->flags >> SECTIONS_PGSHIFT) & SECTIONS_MASK; |
| 691 | } | 691 | } |
| @@ -720,7 +720,7 @@ static inline void set_page_links(struct page *page, enum zone_type zone, · 28 unmodified lines | |||
| 720 | 720 | ||
| 721 | static __always_inline void *lowmem_page_address(const struct page *page) | 721 | static __always_inline void *lowmem_page_address(const struct page *page) |
| 722 | { | 722 | { |
| 723 | return __va(PFN_PHYS(page_to_pfn((struct page *)page))); | 723 | return __va(PFN_PHYS(page_to_pfn(page))); |
| 724 | } | 724 | } |
| 725 | 725 | ||
| 726 | #if defined(CONFIG_HIGHMEM) && !defined(WANT_PAGE_VIRTUAL) | 726 | #if defined(CONFIG_HIGHMEM) && !defined(WANT_PAGE_VIRTUAL) |