diff options
| author | Daniel Kiper <dkiper@net-space.pl> | 2011-07-25 17:12:13 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-25 20:57:09 -0700 |
| commit | 1bb36fbd4d58ec3fab4dab5ed39a2af492c263ea (patch) | |
| tree | b381b2a4a0d212053516073a8bd21e7b4c59cfad /mm | |
| parent | 00a66d2974485d7d95d61d5772142b2a2231ed2a (diff) | |
| download | lwn-1bb36fbd4d58ec3fab4dab5ed39a2af492c263ea.tar.gz lwn-1bb36fbd4d58ec3fab4dab5ed39a2af492c263ea.zip | |
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 <dkiper@net-space.pl>
Acked-by: David Rientjes <rientjes@google.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/page_cgroup.c | 8 |
1 files 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); |