diff options
| author | Michal Hocko <[email protected]> | 2018-12-28 00:33:45 -0800 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2018-12-28 12:11:46 -0800 |
| commit | 6cc2baf600eca841549e182b471d5c7b8c4143c3 (patch) | |
| tree | bbcf04b07498e44b3e810cf88cc80dc36d2f53cb | |
| parent | e0392cf7c53a2c03dbda93de4073c78609b88c51 (diff) | |
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/[email protected]
Signed-off-by: Michal Hocko <[email protected]>
Reviewed-by: Andrew Morton <[email protected]>
Reviewed-by: Oscar Salvador <[email protected]>
Reviewed-by: Anshuman Khandual <[email protected]>
Cc: Baoquan He <[email protected]>
Cc: Oscar Salvador <[email protected]>
Cc: William Kucharski <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -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. |