linux-kernel - Re: [PATCH v2 05/15] lib min_heap: Add min_heap

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Message-ID: <CAP-5=fXcWRfsAnByOnX5z6aBJrW6+CLRpj=bQ6uiLM38OZjbRw@mail.gmail.com>
Date: Wed, 20 Mar 2024 10:13:38 -0700
From: Ian Rogers <irogers@...gle.com>
To: Kuan-Wei Chiu <visitorckw@...il.com>
Cc: colyli@...e.de, kent.overstreet@...ux.dev, msakai@...hat.com, 
	peterz@...radead.org, mingo@...hat.com, acme@...nel.org, namhyung@...nel.org, 
	akpm@...ux-foundation.org, bfoster@...hat.com, mark.rutland@....com, 
	alexander.shishkin@...ux.intel.com, jolsa@...nel.org, adrian.hunter@...el.com, 
	jserv@...s.ncku.edu.tw, dm-devel@...ts.linux.dev, 
	linux-bcache@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-bcachefs@...r.kernel.org, linux-perf-users@...r.kernel.org
Subject: Re: [PATCH v2 05/15] lib min_heap: Add min_heap_init()

On Wed, Mar 20, 2024 at 7:54 AM Kuan-Wei Chiu <visitorckw@...il.com> wrote:
>
> Add min_heap_init() for initializing heap with data, nr, and size.
>
> Signed-off-by: Kuan-Wei Chiu <visitorckw@...il.com>

Thanks, is it possible to update lib/test_min_heap.c to use min_heap_init?

Ian

> ---
>  include/linux/min_heap.h | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
>
> diff --git a/include/linux/min_heap.h b/include/linux/min_heap.h
> index c3635a7fdb88..ed462f194b88 100644
> --- a/include/linux/min_heap.h
> +++ b/include/linux/min_heap.h
> @@ -44,6 +44,18 @@ struct min_heap_callbacks {
>         void (*swp)(void *lhs, void *rhs);
>  };
>
> +/* Initialize a min-heap. */
> +static __always_inline
> +void __min_heap_init(struct __min_heap *heap, void *data, int size)
> +{
> +       heap->data = data;
> +       heap->nr = 0;
> +       heap->size = size;
> +}
> +
> +#define min_heap_init(_heap, _data, _size)     \
> +       __min_heap_init(&(_heap)->heap, _data, _size)
> +
>  /* Sift the element at pos down the heap. */
>  static __always_inline
>  void __min_heapify(struct __min_heap *heap, int pos, size_t elem_size,
> --
> 2.34.1
>