Commit 6cc2baf6 authored by Michal Hocko's avatar Michal Hocko Committed by Linus Torvalds
Browse files

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: default avatarMichal Hocko <mhocko@suse.com>
Reviewed-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Reviewed-by: default avatarOscar Salvador <osalvador@suse.de>
Reviewed-by: default avatarAnshuman 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: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent e0392cf7
...@@ -1554,12 +1554,6 @@ static int __ref __offline_pages(unsigned long start_pfn, ...@@ -1554,12 +1554,6 @@ static int __ref __offline_pages(unsigned long start_pfn,
struct zone *zone; struct zone *zone;
struct memory_notify arg; 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(); mem_hotplug_begin();
/* This makes hotplug much easier...and readable. /* This makes hotplug much easier...and readable.
......
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