在 2013-05-31五的 16:02 -0700，Andrew Morton写道： > On Thu, 30 May 2013 15:58:05 +0800 liguang <lig.f...@cn.fujitsu.com> wrote: > > > --- a/include/linux/reboot.h > > +++ b/include/linux/reboot.h > > @@ -35,7 +35,7 @@ extern void kernel_restart(char *cmd); > > extern void kernel_halt(void); > > extern void kernel_power_off(void); > > > > -extern int C_A_D; /* for sysctl */ > > +extern bool C_A_D; /* for sysctl */ > > void ctrl_alt_del(void); > > This means that the pointer in kernel/sysctl.c:kern_table.data now > points at a bool but is declared to have size sizeof(int). > > That happens to work with current gcc verions, but there's no rule > which states that sizeof(bool) must equal sizeof(int). > > And I'm not sure that changing kern_table to use sizeof(bool) is really > worth all the bother.
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