On 02/21/2018 05:55 PM, Ram Pai wrote:
> +static inline int arch_reserved_keys(void)
> +{
> +#if defined(__i386__) || defined(__x86_64__) /* arch */
> + return NR_RESERVED_PKEYS;
> +#elif __powerpc64__ /* arch */
> + if (sysconf(_SC_PAGESIZE) == 4096)
> + return NR_RESERVED_PKEY
The maximum number of keys that can be allocated has to
take into consideration, that some keys are reserved by
the architecture for specific purpose. Hence cannot
be allocated.
Fix the assertion in test_pkey_alloc_exhaust()
cc: Dave Hansen
cc: Florian Weimer
Signed-off-by: Ram Pai
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