On Wed, 5 May 2010 18:02:46 -0300, Marcelo Roberto Jimenez <mroberto@xxxxxxxxxxxxxxxxxxxxx> wrote: > Got this while compiling for ARM/SA1100: > > mm/sparse.c: In function '__section_nr': > mm/sparse.c:135: warning: 'root' is used uninitialized in this function > > This patch follows Russell King's suggestion for a new calculation for > NR_SECTION_ROOTS. Thanks also to Sergei Shtylyov for pointing out the > existence of the macro DIV_ROUND_UP. JFYI, This fix is not just silence the warning, fix a real problem. Without this fix, mem_section[] might have 0 size so mem_section[0] will share other variable area. For example, I got: c030c700 b __warned.16478 c030c700 B mem_section c030c701 b __warned.16483 This might cause very strange behavior. Your patch actually fixes it. Thank you. --- Atsushi Nemoto -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>