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authorKefeng Wang <wangkefeng.wang@huawei.com>2022-09-07 14:08:44 +0800
committerAndrew Morton <akpm@linux-foundation.org>2022-10-03 14:03:04 -0700
commitee0913c4719610204315a0d8a35122c6233249e0 (patch)
treef3ac87c8918f3a5f5440fc5475f51608f3add9e0 /mm/memory_hotplug.c
parent5f7fa13fa858c17580ed513bd5e0a4b36d68fdd6 (diff)
mm: add pageblock_aligned() macro
Add pageblock_aligned() and use it to simplify code. Link: https://lkml.kernel.org/r/20220907060844.126891-3-wangkefeng.wang@huawei.com Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Acked-by: Mike Rapoport <rppt@linux.ibm.com> Cc: David Hildenbrand <david@redhat.com> Cc: Oscar Salvador <osalvador@suse.de> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/memory_hotplug.c')
-rw-r--r--mm/memory_hotplug.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 9ae1f98548b1..fd40f7e9f176 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -1085,8 +1085,7 @@ int __ref online_pages(unsigned long pfn, unsigned long nr_pages,
* of the physical memory space for vmemmaps. That space is pageblock
* aligned.
*/
- if (WARN_ON_ONCE(!nr_pages ||
- !IS_ALIGNED(pfn, pageblock_nr_pages) ||
+ if (WARN_ON_ONCE(!nr_pages || !pageblock_aligned(pfn) ||
!IS_ALIGNED(pfn + nr_pages, PAGES_PER_SECTION)))
return -EINVAL;
@@ -1806,8 +1805,7 @@ int __ref offline_pages(unsigned long start_pfn, unsigned long nr_pages,
* of the physical memory space for vmemmaps. That space is pageblock
* aligned.
*/
- if (WARN_ON_ONCE(!nr_pages ||
- !IS_ALIGNED(start_pfn, pageblock_nr_pages) ||
+ if (WARN_ON_ONCE(!nr_pages || !pageblock_aligned(start_pfn) ||
!IS_ALIGNED(start_pfn + nr_pages, PAGES_PER_SECTION)))
return -EINVAL;