Re: [PATCH v3 13/17] lib min_heap: Update min_heap_push() to use min_heap_sift_up()

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On Sat, Apr 6, 2024 at 9:48 AM Kuan-Wei Chiu <visitorckw@xxxxxxxxx> wrote:
>
> Update min_heap_push() to use min_heap_sift_up() rather than its origin
> inline version.
>
> Signed-off-by: Kuan-Wei Chiu <visitorckw@xxxxxxxxx>

Reviewed-by: Ian Rogers <irogers@xxxxxxxxxx>

Thanks,
Ian

> ---
>  include/linux/min_heap.h | 9 +--------
>  1 file changed, 1 insertion(+), 8 deletions(-)
>
> diff --git a/include/linux/min_heap.h b/include/linux/min_heap.h
> index 3086612d7cd5..fe037eb5952e 100644
> --- a/include/linux/min_heap.h
> +++ b/include/linux/min_heap.h
> @@ -190,7 +190,6 @@ bool __min_heap_push(min_heap_char *heap, const void *element, size_t elem_size,
>                 const struct min_heap_callbacks *func, void *args)
>  {
>         void *data = heap->data;
> -       void *child, *parent;
>         int pos;
>
>         if (WARN_ONCE(heap->nr >= heap->size, "Pushing on a full heap"))
> @@ -202,13 +201,7 @@ bool __min_heap_push(min_heap_char *heap, const void *element, size_t elem_size,
>         heap->nr++;
>
>         /* Sift child at pos up. */
> -       for (; pos > 0; pos = (pos - 1) / 2) {
> -               child = data + (pos * elem_size);
> -               parent = data + ((pos - 1) / 2) * elem_size;
> -               if (func->less(parent, child, args))
> -                       break;
> -               func->swp(parent, child, args);
> -       }
> +       __min_heap_sift_up(heap, elem_size, pos, func, args);
>
>         return true;
>  }
> --
> 2.34.1
>





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