On Sat, Jan 05, 2008 at 07:09:59PM -0800, Arjan van de Ven wrote: > From: Arjan van de Ven <[EMAIL PROTECTED]> > CC: Ingo Molnar <[EMAIL PROTECTED]> > CC: Andrew Morton <[EMAIL PROTECTED]> > CC: Olof Johansson <[EMAIL PROTECTED]> > Acked-by: Matt Meckall <[EMAIL PROTECTED]> > > A quick grep shows that there are currently 1145 instances of WARN_ON > in the kernel. Currently, WARN_ON is pretty much entirely inlined, > which makes it hard to enhance it without growing the size of the kernel > (and getting Andrew unhappy). > > This patch build on top of Olof's patch that introduces __WARN, > and places the slowpath out of line. It also uses Ingo's suggestion > to not use __FUNCTION__ but to use kallsyms to do the lookup; > this saves a ton of extra space since gcc doesn't need to store the function > string twice now: > > 3936367 833603 624736 5394706 525112 vmlinux.before > 3917508 833603 624736 5375847 520767 vmlinux-slowpath > > 15Kb savings... > > Signed-off-by: Arjan van de Ven <[EMAIL PROTECTED]>
Acked-by: Olof Johansson <[EMAIL PROTECTED]> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/