On Fri, 9 Aug 2019 09:24:44 -0700, Matthew Wilcox <wi...@infradead.org> wrote:
> On Fri, Aug 09, 2019 at 07:00:26PM +0300, Adalbert Lazăr wrote:
> > +++ b/include/linux/page-flags.h
> > @@ -417,8 +417,10 @@ PAGEFLAG(Idle, idle, PF_ANY)
> >   */
> >  #define PAGE_MAPPING_ANON  0x1
> >  #define PAGE_MAPPING_MOVABLE       0x2
> > +#define PAGE_MAPPING_REMOTE        0x4
> 
> Uh.  How do you know page->mapping would otherwise have bit 2 clear?
> Who's guaranteeing that?
> 
> This is an awfully big patch to the memory management code, buried in
> the middle of a gigantic series which almost guarantees nobody would
> look at it.  I call shenanigans.
> 
> > @@ -1021,7 +1022,7 @@ void page_move_anon_rmap(struct page *page, struct 
> > vm_area_struct *vma)
> >   * __page_set_anon_rmap - set up new anonymous rmap
> >   * @page:  Page or Hugepage to add to rmap
> >   * @vma:   VM area to add page to.
> > - * @address:       User virtual address of the mapping     
> > + * @address:       User virtual address of the mapping
> 
> And mixing in fluff changes like this is a real no-no.  Try again.
> 

No bad intentions, just overzealous.
I didn't want to hide anything from our patches.
Once we advance with the introspection patches related to KVM we'll be
back with the remote mapping patch, split and cleaned.

Thanks
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