Re: [PATCH 1/9] mm: vmalloc: Add va_alloc() helper

[Uladzislau Rezki]

On Mon, May 22, 2023 at 11:05:57PM -0700, Christoph Hellwig wrote:
> On Mon, May 22, 2023 at 01:08:41PM +0200, Uladzislau Rezki (Sony) wrote:
> > Currently __alloc_vmap_area() function contains an open codded
> > logic that finds and adjusts a VA based on allocation request.
> > 
> > Introduce a va_alloc() helper that adjusts found VA only. It
> > will be used later at least in two places.
> > 
> > There is no a functional change as a result of this patch.
> > 
> > Signed-off-by: Uladzislau Rezki (Sony) <urezki@xxxxxxxxx>
> > ---
> >  mm/vmalloc.c | 41 ++++++++++++++++++++++++++++-------------
> >  1 file changed, 28 insertions(+), 13 deletions(-)
> > 
> > diff --git a/mm/vmalloc.c b/mm/vmalloc.c
> > index 31ff782d368b..409285b68a67 100644
> > --- a/mm/vmalloc.c
> > +++ b/mm/vmalloc.c
> > @@ -1482,6 +1482,32 @@ adjust_va_to_fit_type(struct rb_root *root, struct list_head *head,
> >  	return 0;
> >  }
> >  
> > +static unsigned long
> > +va_alloc(struct vmap_area *va,
> > +	struct rb_root *root, struct list_head *head,
> > +	unsigned long size, unsigned long align,
> > +	unsigned long vstart, unsigned long vend)
> 
> Prototype continuations don't use a single tab indent.  Either two
> tabs (my preference) or after the opening brace.  I.e.:
> 
Will go with two tabs.

> static unsigned long
> va_alloc(struct vmap_area *va, struct rb_root *root, struct list_head *head,
> 		unsigned long size, unsigned long align, unsigned long vstart,
> 		unsigned long vend)
> 
> 
> Otherwise looks good:
> 
> Reviewed-by: Christoph Hellwig <hch@xxxxxx>
>
Added.

Appreciate you look at it!

--
Uladizislau Rezki