diff options
| author | Oscar Salvador <osalvador@suse.de> | 2018-08-17 15:46:25 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-08-17 16:20:29 -0700 |
| commit | 3172e5e61c8a78f690c50f221fdeedce35d0b1e4 (patch) | |
| tree | 8d1696575a1269f7009cd0960181120e9811fc77 /drivers/base | |
| parent | 4fbce633910ed80b135b84160a22b219080c8082 (diff) | |
| download | linux-3172e5e61c8a78f690c50f221fdeedce35d0b1e4.tar.bz2 | |
mm/memory_hotplug.c: drop unnecessary checks from register_mem_sect_under_node()
Callers of register_mem_sect_under_node() are always passing a valid
memory_block (not NULL), so we can safely drop the check for NULL.
In the same way, register_mem_sect_under_node() is only called in case
the node is online, so we can safely remove that check as well.
Link: http://lkml.kernel.org/r/20180622111839.10071-5-osalvador@techadventures.net
Signed-off-by: Oscar Salvador <osalvador@suse.de>
Reviewed-by: Pavel Tatashin <pasha.tatashin@oracle.com>
Tested-by: Reza Arbab <arbab@linux.vnet.ibm.com>
Tested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Pasha Tatashin <Pavel.Tatashin@microsoft.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/node.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/base/node.c b/drivers/base/node.c index 845d5523812b..1ac4c36e13bb 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -404,12 +404,7 @@ int register_mem_sect_under_node(struct memory_block *mem_blk, void *arg) int ret, nid = *(int *)arg; unsigned long pfn, sect_start_pfn, sect_end_pfn; - if (!mem_blk) - return -EFAULT; - mem_blk->nid = nid; - if (!node_online(nid)) - return 0; sect_start_pfn = section_nr_to_pfn(mem_blk->start_section_nr); sect_end_pfn = section_nr_to_pfn(mem_blk->end_section_nr); |