On Mon, 2007-05-14 at 00:16 -0700, Andrew Morton wrote:
> On Mon, 14 May 2007 17:07:03 +1000 Benjamin Herrenschmidt <[email protected]> wrote:
>
> > __vunmap is not static but I couldn't find a prototype for it, so this
> > adds it. I need to use it in some powerpc patch to come.
> >
> > Signed-off-by: Benjamin Herrenschmidt <[email protected]>
> >
> > include/linux/vmalloc.h | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > Index: linux-cell/include/linux/vmalloc.h
> > ===================================================================
> > --- linux-cell.orig/include/linux/vmalloc.h 2007-05-14 16:03:42.000000000 +1000
> > +++ linux-cell/include/linux/vmalloc.h 2007-05-14 16:03:47.000000000 +1000
> > @@ -50,6 +50,7 @@ extern void vfree(void *addr);
> > extern void *vmap(struct page **pages, unsigned int count,
> > unsigned long flags, pgprot_t prot);
> > extern void vunmap(void *addr);
> > +extern void __vunmap(void *addr, int deallocate_pages);
> >
> > extern int remap_vmalloc_range(struct vm_area_struct *vma, void *addr,
> > unsigned long pgoff);
>
> um, the only possible reason for wanting to access __vunmap() is that you
> want to do vunmap() from interrupt context, which is deadlockable.
Argh... I'm stupid, ignore it !
I just want to __vunmap(addr, 0); which is just what vunmap() does :-)
Why is __vunmap not static btw ? If there's no reason, I'll send a patch
to make it so.
Ben.
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