On Tue, 15 Feb 2022 at 14:43, Liam Howlett <liam.howlett@xxxxxxxxxx> wrote: > > From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx> > > This thin layer of abstraction over the maple tree state is for > iterating over VMAs. You can go forwards, go backwards or ask where > the iterator is. Rename the existing vma_next() to __vma_next() -- > it will be removed by the end of this series. > > Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> > Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx> > Acked-by: Vlastimil Babka <vbabka@xxxxxxx> > --- > include/linux/mm.h | 31 +++++++++++++++++++++++++++++++ > include/linux/mm_types.h | 21 +++++++++++++++++++++ > mm/mmap.c | 10 +++++----- > 3 files changed, 57 insertions(+), 5 deletions(-) > > diff --git a/include/linux/mm.h b/include/linux/mm.h > +/* The MM code likes to work with exclusive end addresses */ > +#define for_each_vma_range(vmi, vma, end) \ > + while ((vma = vma_find(&vmi, end - 1)) != NULL) > + Becareful of operator precedence; parentheses around "end'". Cheers, Masrk
