tree 1a42d8550e638b436a7f96ed333f0a4da6e5afcf
parent c33bc315fd921b1179a1d3df5756e0da6fb73944
author Xishi Qiu <qiuxishi@huawei.com> 1378934505 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1378940258 -0700

mm: use zone_is_empty() instead of if(zone->spanned_pages)

Use "zone_is_empty()" instead of "if (zone->spanned_pages)".
Simplify the code, no functional change.

Signed-off-by: Xishi Qiu <qiuxishi@huawei.com>
Cc: Cody P Schafer <cody@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>