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

Lorenzo Stoakes
2023-05-27T21:50:32Z

On Mon, May 22, 2023 at 01:08:42PM +0200, Uladzislau Rezki (Sony) wrote:
> 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.

Small nit - I think:-

'This patch renames the adjust_va_to_fit_type() function to va_clip() which
is shorter and more expressive.'

Reads better here.

>
> Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
> ---
> 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))
> 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
>

Otherwise,

Reviewed-by: Lorenzo Stoakes <lstoakes@gmail.com>