linux-kernel - Re: [PATCH v3 1/5] memblock tests: introduce range tests for memblock_alloc_exact_nid

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Date:   Mon, 31 Oct 2022 11:28:15 +0100
From:   David Hildenbrand <david@...hat.com>
To:     Rebecca Mckeever <remckee0@...il.com>,
        Mike Rapoport <rppt@...nel.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/5] memblock tests: introduce range tests for
 memblock_alloc_exact_nid_raw

On 19.10.22 20:34, Rebecca Mckeever wrote:
> Add TEST_F_EXACT flag, which specifies that tests should run
> memblock_alloc_exact_nid_raw(). Introduce range tests for
> memblock_alloc_exact_nid_raw() by using the TEST_F_EXACT flag to run the
> range tests in alloc_nid_api.c, since memblock_alloc_exact_nid_raw() and
> memblock_alloc_try_nid_raw() behave the same way when nid = NUMA_NO_NODE.
> 
> Rename tests and other functions in alloc_nid_api.c by removing "_try".
> Since the test names will be displayed in verbose output, they need to
> be general enough to refer to any of the memblock functions that the
> tests may run.
> 
> Signed-off-by: Rebecca Mckeever <remckee0@...il.com>

[...]

> diff --git a/tools/testing/memblock/tests/alloc_nid_api.c b/tools/testing/memblock/tests/alloc_nid_api.c
> index 2c2d60f4e3e3..df8e7e038cab 100644
> --- a/tools/testing/memblock/tests/alloc_nid_api.c
> +++ b/tools/testing/memblock/tests/alloc_nid_api.c
> @@ -18,18 +18,27 @@ static const unsigned int node_fractions[] = {
>   	 625, /* 1/16 */
>   };
>   
> -static inline const char * const get_memblock_alloc_try_nid_name(int flags)
> +static inline const char * const get_memblock_alloc_nid_name(int flags)
>   {
> +	if (flags & TEST_F_EXACT)
> +		return "memblock_alloc_exact_nid_raw";
>   	if (flags & TEST_F_RAW)
>   		return "memblock_alloc_try_nid_raw";
>   	return "memblock_alloc_try_nid";
>   }
>   
> -static inline void *run_memblock_alloc_try_nid(phys_addr_t size,
> -					       phys_addr_t align,
> -					       phys_addr_t min_addr,
> -					       phys_addr_t max_addr, int nid)
> +static inline void *run_memblock_alloc_nid(phys_addr_t size,
> +					   phys_addr_t align,
> +					   phys_addr_t min_addr,
> +					   phys_addr_t max_addr, int nid)
>   {

I think we want to assert here that TEST_F_EXACT without TEST_F_RAW is 
not set --- because there is no API to support it.

Apart from that

Acked-by: David Hildenbrand <david@...hat.com>


Thanks!

-- 
Thanks,

David / dhildenb