Mel Gorman <mel@xxxxxxxxx> writes: > > $ stack-o-meter vmlinux-vanilla vmlinux-2-simplfy-shrink > add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-144 (-144) > function old new delta > shrink_zone 1232 1160 -72 > kswapd 748 676 -72 And the next time someone adds a new feature to these code paths or the compiler inlines differently these 72 bytes are easily there again. It's not really a long term solution. Code is tending to get more complicated all the time. I consider it unlikely this trend will stop any time soon. So just doing some stack micro optimizations doesn't really help all that much. -Andi -- ak@xxxxxxxxxxxxxxx -- Speaking for myself only. -- 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>