mm/mempolicy: remove redundant check in get_nodes
authorYisheng Xie <xieyisheng1@huawei.com>
Thu, 1 Feb 2018 00:16:07 +0000 (16:16 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 1 Feb 2018 01:18:36 +0000 (17:18 -0800)
commit66f308ed7dab1b3460d186a794e1f9c2d229f709
treefaae4027357a5cb0a69e6c2f4fbd279689f92139
parent2e3ca40f03bb13709df40eff2f7fc157803fa5a3
mm/mempolicy: remove redundant check in get_nodes

We have already checked whether maxnode is a page worth of bits, by:
    maxnode > PAGE_SIZE*BITS_PER_BYTE

So no need to check it once more.

Link: http://lkml.kernel.org/r/1510882624-44342-2-git-send-email-xieyisheng1@huawei.com
Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Chris Salls <salls@cs.ucsb.edu>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Christopher Lameter <cl@linux.com>
Cc: Tan Xiaojun <tanxiaojun@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/mempolicy.c