On Thu, 2 Apr 2015 20:16:14 +0800 kbuild test robot <fengguang.wu@xxxxxxxxx> wrote: > tree: git://git.kernel.org/pub/scm/linux/kernel/git/mhocko/mm.git since-3.19 > head: 9799825fa30ce564d2543540bd1988e8db80e757 > commit: 1645cf8131766f8135630a9e7cfd1928cd42cf66 [477/542] page-flags: define PG_uptodate behavior on compound pages > config: s390-allyesconfig (attached as .config) > reproduce: > wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > git checkout 1645cf8131766f8135630a9e7cfd1928cd42cf66 > # save the attached .config to linux build tree > make.cross ARCH=s390 > > All warnings: > > fs/isofs/compress.c: In function 'zisofs_uncompress_block.constprop': > >> fs/isofs/compress.c:193:1: warning: 'zisofs_uncompress_block.constprop' uses dynamic stack allocation > } > ^ > fs/isofs/compress.c: In function 'zisofs_readpage': > fs/isofs/compress.c:360:1: warning: 'zisofs_readpage' uses dynamic stack allocation > } afaict this is true in current mainline, and "page-flags: define PG_uptodate behavior on compound pages" did nothing to cause this. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>