Messages in this thread Patch in this message | | | From | Pavel Tatashin <> | Subject | [PATCH v2 1/3] mm: make memmap_init a proper function | Date | Thu, 26 Jul 2018 15:35:07 -0400 |
| |
memmap_init is sometimes a macro sometimes a function based on __HAVE_ARCH_MEMMAP_INIT. It is only a function on ia64. Make memmap_init a weak function instead, and let ia64 redefine it.
Signed-off-by: Pavel Tatashin <pasha.tatashin@oracle.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Oscar Salvador <osalvador@suse.de> --- arch/ia64/include/asm/pgtable.h | 1 - mm/page_alloc.c | 9 +++++---- 2 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/arch/ia64/include/asm/pgtable.h b/arch/ia64/include/asm/pgtable.h index 165827774bea..b1e7468eb65a 100644 --- a/arch/ia64/include/asm/pgtable.h +++ b/arch/ia64/include/asm/pgtable.h @@ -544,7 +544,6 @@ extern struct page *zero_page_memmap_ptr; # ifdef CONFIG_VIRTUAL_MEM_MAP /* arch mem_map init routine is needed due to holes in a virtual mem_map */ -# define __HAVE_ARCH_MEMMAP_INIT extern void memmap_init (unsigned long size, int nid, unsigned long zone, unsigned long start_pfn); # endif /* CONFIG_VIRTUAL_MEM_MAP */ diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 2dec8056a091..6796dacd46ac 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -5554,10 +5554,11 @@ static void __meminit zone_init_free_lists(struct zone *zone) } } -#ifndef __HAVE_ARCH_MEMMAP_INIT -#define memmap_init(size, nid, zone, start_pfn) \ - memmap_init_zone((size), (nid), (zone), (start_pfn), MEMMAP_EARLY, NULL) -#endif +void __meminit __weak memmap_init(unsigned long size, int nid, + unsigned long zone, unsigned long start_pfn) +{ + memmap_init_zone(size, nid, zone, start_pfn, MEMMAP_EARLY, NULL); +} static int zone_batchsize(struct zone *zone) { -- 2.18.0
| |