From: Oscar Salvador Date: Thu, 1 Feb 2018 00:17:25 +0000 (-0800) Subject: mm: memory_hotplug: remove second __nr_to_section in register_page_bootmem_info_section() X-Git-Tag: v4.19~1701^2~64 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9ac9322d7cfa35b5381a08c7eaed56eb2297377e;p=platform%2Fkernel%2Flinux-rpi.git mm: memory_hotplug: remove second __nr_to_section in register_page_bootmem_info_section() In register_page_bootmem_info_section() we call __nr_to_section() in order to get the mem_section struct at the beginning of the function. Since we already got it, there is no need for a second call to __nr_to_section(). Link: http://lkml.kernel.org/r/20171207102914.GA12396@techadventures.net Signed-off-by: Oscar Salvador Acked-by: Michal Hocko Cc: Vlastimil Babka Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 9646e5d..9bbd698 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -184,7 +184,7 @@ static void register_page_bootmem_info_section(unsigned long start_pfn) for (i = 0; i < mapsize; i++, page++) get_page_bootmem(section_nr, page, SECTION_INFO); - usemap = __nr_to_section(section_nr)->pageblock_flags; + usemap = ms->pageblock_flags; page = virt_to_page(usemap); mapsize = PAGE_ALIGN(usemap_size()) >> PAGE_SHIFT; @@ -207,7 +207,7 @@ static void register_page_bootmem_info_section(unsigned long start_pfn) register_page_bootmem_memmap(section_nr, memmap, PAGES_PER_SECTION); - usemap = __nr_to_section(section_nr)->pageblock_flags; + usemap = ms->pageblock_flags; page = virt_to_page(usemap); mapsize = PAGE_ALIGN(usemap_size()) >> PAGE_SHIFT;