diff options
Diffstat (limited to 'mm/bootmem_info.c')
| -rw-r--r-- | mm/bootmem_info.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/mm/bootmem_info.c b/mm/bootmem_info.c index b1efebfcf94b..b0e2a9fa641f 100644 --- a/mm/bootmem_info.c +++ b/mm/bootmem_info.c @@ -14,27 +14,28 @@ #include <linux/memory_hotplug.h> #include <linux/kmemleak.h> -void get_page_bootmem(unsigned long info, struct page *page, unsigned long type) +void get_page_bootmem(unsigned long info, struct page *page, + enum bootmem_type type) { - page->index = type; + BUG_ON(type > 0xf); + BUG_ON(info > (ULONG_MAX >> 4)); SetPagePrivate(page); - set_page_private(page, info); + set_page_private(page, info << 4 | type); page_ref_inc(page); } void put_page_bootmem(struct page *page) { - unsigned long type = page->index; + enum bootmem_type type = bootmem_type(page); BUG_ON(type < MEMORY_HOTPLUG_MIN_BOOTMEM_TYPE || type > MEMORY_HOTPLUG_MAX_BOOTMEM_TYPE); if (page_ref_dec_return(page) == 1) { - page->index = 0; ClearPagePrivate(page); set_page_private(page, 0); INIT_LIST_HEAD(&page->lru); - kmemleak_free_part(page_to_virt(page), PAGE_SIZE); + kmemleak_free_part_phys(PFN_PHYS(page_to_pfn(page)), PAGE_SIZE); free_reserved_page(page); } } @@ -87,7 +88,9 @@ static void __init register_page_bootmem_info_section(unsigned long start_pfn) memmap = sparse_decode_mem_map(ms->section_mem_map, section_nr); - register_page_bootmem_memmap(section_nr, memmap, PAGES_PER_SECTION); + if (!preinited_vmemmap_section(ms)) + register_page_bootmem_memmap(section_nr, memmap, + PAGES_PER_SECTION); usage = ms->usage; page = virt_to_page(usage); |