From: Arnd Bergmann <a...@arndb.de> Date: Tue, 16 Jan 2018 17:34:00 +0100
> When CONFIG_KASAN is set, we can use relatively large amounts of kernel > stack space: > > net/caif/cfctrl.c:555:1: warning: the frame size of 1600 bytes is larger than > 1280 bytes [-Wframe-larger-than=] > > This adds convenience wrappers around cfpkt_extr_head(), which is responsible > for most of the stack growth. With those wrapper functions, gcc apparently > starts reusing the stack slots for each instance, thus avoiding the > problem. > > Signed-off-by: Arnd Bergmann <a...@arndb.de> > --- > I sent this in December, but apparently got the wrong Cc list. > It also seems that Dmitry Tarnyagin's email address as listed > in the MAINTAINERS file is invalid. > > Resending now. Applied to net-next, thanks Arnd.