diff options
| author |   Michal Hocko <mhocko@suse.com> | 2018-12-28 00:33:45 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2018-12-28 12:11:46 -0800 |
| commit | 6cc2baf600eca841549e182b471d5c7b8c4143c3 (patch) | |
| tree | bbcf04b07498e44b3e810cf88cc80dc36d2f53cb /mm/memory_hotplug.c | |
| parent | mm: lower the printk loglevel for __dump_page messages (diff) | |
| download | linux-dev-6cc2baf600eca841549e182b471d5c7b8c4143c3.tar.xz linux-dev-6cc2baf600eca841549e182b471d5c7b8c4143c3.zip | |
mm, memory_hotplug: drop pointless block alignment checks from __offline_pages
This function is never called from a context which would provide
misaligned pfn range so drop the pointless check.
Link: http://lkml.kernel.org/r/20181107101830.17405-4-mhocko@kernel.org
Signed-off-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Baoquan He <bhe@redhat.com>
Cc: Oscar Salvador <OSalvador@suse.com>
Cc: William Kucharski <william.kucharski@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
| -rw-r--r-- | mm/memory_hotplug.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 2b2b3ccbbfb5..a92b1b8f6218 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -1554,12 +1554,6 @@ static int __ref __offline_pages(unsigned long start_pfn, struct zone *zone; struct memory_notify arg; - /* at least, alignment against pageblock is necessary */ - if (!IS_ALIGNED(start_pfn, pageblock_nr_pages)) - return -EINVAL; - if (!IS_ALIGNED(end_pfn, pageblock_nr_pages)) - return -EINVAL; - mem_hotplug_begin(); /* This makes hotplug much easier...and readable. |