RE: [PATCH] fork: Improve error message for corrupted page tables

From: Prakhya, Sai Praneeth
Date: Fri Aug 02 2019 - 02:46:33 EST


> > > > +static const char * const resident_page_types[NR_MM_COUNTERS] = {
> > > > + "MM_FILEPAGES",
> > > > + "MM_ANONPAGES",
> > > > + "MM_SWAPENTS",
> > > > + "MM_SHMEMPAGES",
> > > > +};
> > >
> > > But please let's not put this in a header file. We're asking the
> > > compiler to put a copy of all of this into every compilation unit
> > > which includes the header. Presumably the compiler is smart enough
> > > not to do that, but it's not good practice.
> >
> > Thanks for the explanation. Makes sense to me.
> >
> > Just wanted to check before sending V2, Is it OK if I add this to
> > kernel/fork.c? or do you have something else in mind?
>
> I was thinking somewhere like mm/util.c so the array could be used by other
> code. But it seems there is no such code. Perhaps it's best to just leave fork.c as
> it is now.

Ok, so does that mean have the struct in header file itself?
Sorry! for too many questions. I wanted to check with you before changing
because it's *the* fork.c file (I presume random changes will not be encouraged here)

I am not yet clear on what's the right thing to do here :(
So, could you please help me in deciding.

Regards,
Sai