[LTP] [PATCH 1/2] lib/tst_hugepage: Fix .request_hugepages = 0 bug

[Cyril Hrubis <chrubis@suse.cz>]

Hi!
> +'tst_hugepages' will be set to 0. If need zero hugepage on supported hugetlb
                                      ^
				      If the hugepage size needs to be
				      set to 0 on ...
> +system, please use '.request_hugepages = TST_NO_HUGEPAGES'.
>  
>  Also, we do cleanup and restore work for the hpages resetting automatically.
>  
> diff --git a/include/tst_test.h b/include/tst_test.h
> index c7d77eb09..40c725995 100644
> --- a/include/tst_test.h
> +++ b/include/tst_test.h
> @@ -125,6 +125,8 @@ struct tst_tag {
>  
>  extern unsigned int tst_variant;
>  
> +#define TST_NO_HUGEPAGES ((unsigned long)-1)
> +
>  struct tst_test {
>  	/* number of tests available in test() function */
>  	unsigned int tcnt;
> @@ -175,7 +177,8 @@ struct tst_test {
>  	 * have enough hpage for using, it will try the best to reserve 80% available
>  	 * number of hpages. With success test stores the reserved hugepage number in
>  	 * 'tst_hugepages. For the system without hugetlb supporting, variable
> -	 * 'tst_hugepages' will be set to 0.
> +	 * 'tst_hugepages' will be set to 0. If need zero hugepage on supported hugetlb
> +	 * system, please use '.request_hugepages = TST_NO_HUGEPAGES'.

Here as well.


Other than that it looks good.

-- 
Cyril Hrubis
chrubis@suse.cz