Re: 2.4 vm, program load, page faulting, ...

From: wind@cocodriloo.com
Date: Mon Mar 17 2003 - 14:34:11 EST


On Mon, Mar 17, 2003 at 08:06:36PM +0100, wind-lkml@cocodriloo.com wrote:
> On Mon, Mar 17, 2003 at 07:57:49PM +0100, Marc-Christian Petersen wrote:
> > On Monday 17 March 2003 18:38, wind-lkml@cocodriloo.com wrote:
> >
> > Hi Wind,
> >
> > > > I wonder if this could be done by walking and faulting
> > > > all pages at fs/binfmt_elf.c::elf_map just after do_mmap...
> > > > will try it just now :)
> > >
> > > OK, this is not tested, since I'm compiling it now... feel free
> > > to correct :)
> >
> > mm/mmap.c:
> >
> > unsigned long do_mmap_pgoff(struct file * file, unsigned long addr, unsigned
> > long len,
> > unsigned long prot, unsigned long flags, unsigned long pgoff)
> > {
> >
> > your "do_mmap_pgoff" calls 7 arguments. Obviously it cannot compile 8-)
> >
>
> My first patch, I'm just becoming intimate with printk ;)

OK, so I took a different approach, and just called handle_mm_fault just
like if there had been user-level accesses to the file.

Applied on 2.5.63-uml1 and booted debian woody with it.

Can any of you try it on a real machine? (I dont have a test machine :(

Greets, Antonio.



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