Re: [PATCH v2 6/9] tests: Rename PAGE_SIZE definitions

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On 1/18/21 7:38 AM, Jiaxun Yang wrote:
> As per POSIX specification of limits.h [1], OS libc may define
> PAGE_SIZE in limits.h.
> 
> Self defined PAGE_SIZE is frequently used in tests, to prevent
> collosion of definition, we give PAGE_SIZE definitons reasonable
> prefixs.
> 
> [1]: https://pubs.opengroup.org/onlinepubs/7908799/xsh/limits.h.html
> 
> Signed-off-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
> Reviewed-by: Thomas Huth <thuth@xxxxxxxxxx>
> ---
>  tests/migration/stress.c            | 10 ++---
>  tests/qtest/libqos/malloc-pc.c      |  4 +-
>  tests/qtest/libqos/malloc-spapr.c   |  4 +-
>  tests/qtest/m25p80-test.c           | 54 +++++++++++-----------
>  tests/tcg/multiarch/system/memory.c |  6 +--
>  tests/test-xbzrle.c                 | 70 ++++++++++++++---------------
>  6 files changed, 74 insertions(+), 74 deletions(-)
...

> diff --git a/tests/tcg/multiarch/system/memory.c b/tests/tcg/multiarch/system/memory.c
> index d124502d73..eb0ec6f8eb 100644
> --- a/tests/tcg/multiarch/system/memory.c
> +++ b/tests/tcg/multiarch/system/memory.c
> @@ -20,12 +20,12 @@
>  # error "Target does not specify CHECK_UNALIGNED"
>  #endif
>  
> -#define PAGE_SIZE 4096             /* nominal 4k "pages" */
> -#define TEST_SIZE (PAGE_SIZE * 4)  /* 4 pages */
> +#define MEM_PAGE_SIZE 4096             /* nominal 4k "pages" */
> +#define TEST_SIZE (MEM_PAGE_SIZE * 4)  /* 4 pages */

Clearer renaming TEST_PAGE_SIZE and TEST_MEM_SIZE.

If possible using TEST_PAGE_SIZE / TEST_MEM_SIZE:
Reviewed-by: Philippe Mathieu-Daudé <philmd@xxxxxxxxxx>

>  
>  #define ARRAY_SIZE(x) ((sizeof(x) / sizeof((x)[0])))
>  
> -__attribute__((aligned(PAGE_SIZE)))
> +__attribute__((aligned(MEM_PAGE_SIZE)))
>  static uint8_t test_data[TEST_SIZE];




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