From 1bb36fbd4d58ec3fab4dab5ed39a2af492c263ea Mon Sep 17 00:00:00 2001 From: Daniel Kiper Date: Mon, 25 Jul 2011 17:12:13 -0700 Subject: [PATCH] mm/page_cgroup.c: simplify code by using SECTION_ALIGN_UP() and SECTION_ALIGN_DOWN() macros Commit a539f3533b78e3 ("mm: add SECTION_ALIGN_UP() and SECTION_ALIGN_DOWN() macro") introduced the SECTION_ALIGN_UP() and SECTION_ALIGN_DOWN() macros. Use those macros to increase code readability. Signed-off-by: Daniel Kiper Acked-by: David Rientjes Acked-by: KAMEZAWA Hiroyuki Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/page_cgroup.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/mm/page_cgroup.c b/mm/page_cgroup.c index 9cb1c44ffc37..39d216d535ea 100644 --- a/mm/page_cgroup.c +++ b/mm/page_cgroup.c @@ -225,8 +225,8 @@ int __meminit online_page_cgroup(unsigned long start_pfn, unsigned long start, end, pfn; int fail = 0; - start = start_pfn & ~(PAGES_PER_SECTION - 1); - end = ALIGN(start_pfn + nr_pages, PAGES_PER_SECTION); + start = SECTION_ALIGN_DOWN(start_pfn); + end = SECTION_ALIGN_UP(start_pfn + nr_pages); if (nid == -1) { /* @@ -258,8 +258,8 @@ int __meminit offline_page_cgroup(unsigned long start_pfn, { unsigned long start, end, pfn; - start = start_pfn & ~(PAGES_PER_SECTION - 1); - end = ALIGN(start_pfn + nr_pages, PAGES_PER_SECTION); + start = SECTION_ALIGN_DOWN(start_pfn); + end = SECTION_ALIGN_UP(start_pfn + nr_pages); for (pfn = start; pfn < end; pfn += PAGES_PER_SECTION) __free_page_cgroup(pfn);