linux-kernel - Re: [PATCH v2 2/9] mm: vmalloc: Rename adjust_va_to_fit

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Message-ID: <ZPiohI5R7wFsKi/J@pc636>
Date:   Wed, 6 Sep 2023 18:27:48 +0200
From:   Uladzislau Rezki <urezki@...il.com>
To:     Baoquan He <bhe@...hat.com>
Cc:     "Uladzislau Rezki (Sony)" <urezki@...il.com>, linux-mm@...ck.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Lorenzo Stoakes <lstoakes@...il.com>,
        Christoph Hellwig <hch@...radead.org>,
        Matthew Wilcox <willy@...radead.org>,
        "Liam R . Howlett" <Liam.Howlett@...cle.com>,
        Dave Chinner <david@...morbit.com>,
        "Paul E . McKenney" <paulmck@...nel.org>,
        Joel Fernandes <joel@...lfernandes.org>,
        Oleksiy Avramchenko <oleksiy.avramchenko@...y.com>,
        Christoph Hellwig <hch@....de>
Subject: Re: [PATCH v2 2/9] mm: vmalloc: Rename adjust_va_to_fit_type()
 function

On Wed, Sep 06, 2023 at 01:51:42PM +0800, Baoquan He wrote:
> On 08/29/23 at 10:11am, Uladzislau Rezki (Sony) wrote:
> > This patch renames the adjust_va_to_fit_type() function
> > to va_clip() which is shorter and more expressive.
> > 
> > There is no a functional change as a result of this patch.
> > 
> > Reviewed-by: Christoph Hellwig <hch@....de>
> > Reviewed-by: Lorenzo Stoakes <lstoakes@...il.com>
> > Signed-off-by: Uladzislau Rezki (Sony) <urezki@...il.com>
> > ---
> >  mm/vmalloc.c | 13 ++++++-------
> >  1 file changed, 6 insertions(+), 7 deletions(-)
> > 
> > diff --git a/mm/vmalloc.c b/mm/vmalloc.c
> > index 00afc1ee4756..09e315f8ea34 100644
> > --- a/mm/vmalloc.c
> > +++ b/mm/vmalloc.c
> > @@ -1382,9 +1382,9 @@ classify_va_fit_type(struct vmap_area *va,
> >  }
> >  
> >  static __always_inline int
> > -adjust_va_to_fit_type(struct rb_root *root, struct list_head *head,
> > -		      struct vmap_area *va, unsigned long nva_start_addr,
> > -		      unsigned long size)
> > +va_clip(struct rb_root *root, struct list_head *head,
> > +		struct vmap_area *va, unsigned long nva_start_addr,
> > +		unsigned long size)
> >  {
> >  	struct vmap_area *lva = NULL;
> >  	enum fit_type type = classify_va_fit_type(va, nva_start_addr, size);
> > @@ -1500,7 +1500,7 @@ va_alloc(struct vmap_area *va,
> >  		return vend;
> >  
> >  	/* Update the free vmap_area. */
> > -	ret = adjust_va_to_fit_type(root, head, va, nva_start_addr, size);
> > +	ret = va_clip(root, head, va, nva_start_addr, size);
> >  	if (WARN_ON_ONCE(ret))
> >  		return vend;
> >  
> > @@ -4151,9 +4151,8 @@ struct vm_struct **pcpu_get_vm_areas(const unsigned long *offsets,
> >  			/* It is a BUG(), but trigger recovery instead. */
> >  			goto recovery;
> >  
> > -		ret = adjust_va_to_fit_type(&free_vmap_area_root,
> > -					    &free_vmap_area_list,
> > -					    va, start, size);
> > +		ret = va_clip(&free_vmap_area_root,
> > +			&free_vmap_area_list, va, start, size);
> >  		if (WARN_ON_ONCE(unlikely(ret)))
> >  			/* It is a BUG(), but trigger recovery instead. */
> >  			goto recovery;
> > -- 
> > 2.30.2
> > 
> 
> Reviewed-by: Baoquan He <bhe@...hat.com>
> 
Thank you for the review. Picked it up.

--
Uladzislau Rezki