Re: [RFC][PATCH -mm 2/3] freezer: Introduce freezer_flags

[Rafael J. Wysocki]

On Tuesday, 24 April 2007 00:23, Oleg Nesterov wrote:
> On 04/22, Rafael J. Wysocki wrote:
> > 
> > Move all of the freezer-related flags to a separate field in task_struct and
> > introduce functions to operate them using set_bit() etc.
> >
> > [...snip...]
> >
> > --- linux-2.6.21-rc6-mm1.orig/kernel/fork.c	2007-04-22 19:37:42.000000000 +0200
> > +++ linux-2.6.21-rc6-mm1/kernel/fork.c	2007-04-22 20:55:01.000000000 +0200
> > @@ -922,7 +922,7 @@ static inline void copy_flags(unsigned l
> >  {
> >  	unsigned long new_flags = p->flags;
> >  
> > -	new_flags &= ~(PF_SUPERPRIV | PF_NOFREEZE);
> > +	new_flags &= ~PF_SUPERPRIV;
> >  	new_flags |= PF_FORKNOEXEC;
> >  	new_flags |= PF_STARTING;
> >  	p->flags = new_flags;
> 
> OK, but you forgot to clear p->freezer_flags on copy_process()->dup_task_struct()
> path ?

Yes, thanks for pointing that out.

Should I clear it in dup_task_struct() or is there a better place?
-
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