Re: [PATCH 2/9] mm: vmalloc: Rename adjust_va_to_fit_type() function

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* Uladzislau Rezki (Sony) <urezki@xxxxxxxxx> [230522 07:09]:
> This patch renames the adjust_va_to_fit_type() function
> to a shorter variant and more expressive. A new name is
> va_clip().
> 
> There is no a functional change as a result of this patch.
> 
> Signed-off-by: Uladzislau Rezki (Sony) <urezki@xxxxxxxxx>
> ---
>  mm/vmalloc.c | 13 ++++++-------
>  1 file changed, 6 insertions(+), 7 deletions(-)
> 
> diff --git a/mm/vmalloc.c b/mm/vmalloc.c
> index 409285b68a67..5f900efec6a9 100644
> --- a/mm/vmalloc.c
> +++ b/mm/vmalloc.c
> @@ -1383,9 +1383,9 @@ 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);
> @@ -1501,7 +1501,7 @@ 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))

ret is only used in this WARN_ON_ONCE() check (from patch 1), since you
have shortened adjust_va_to_fit_type(), you can probably drop the ret
variable all together here?

>  		return vend;
>  
> @@ -3979,9 +3979,8 @@ 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
> 




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