Hi,
Le vendredi 31 mai 2019 à 15:43 +0900, Minchan Kim a écrit :
>
> diff --git a/include/uapi/asm-generic/mman-common.h
> b/include/uapi/asm-generic/mman-common.h
> index 92e347a89ddc..220c2b5eb961 100644
> --- a/include/uapi/asm-generic/mman-common.h
> +++ b/include/uapi/asm-generic/mman-common.h
> @@ -75,4 +75,15 @@
> #define PKEY_ACCESS_MASK (PKEY_DISABLE_ACCESS |\
> PKEY_DISABLE_WRITE)
>
> +struct pr_madvise_param {
> + int size; /* the size of this structure */
> + int cookie; /* reserved to support atomicity */
> + int nr_elem; /* count of below arrary fields */
Those should be unsigned.
There's an implicit hole here on ABI with 64bits aligned pointers
> + int __user *hints; /* hints for each range */
> + /* to store result of each operation */
> + const struct iovec __user *results;
> + /* input address ranges */
> + const struct iovec __user *ranges;
Using pointer type in uAPI structure require a 'compat' version of the
syscall need to be provided.
If using iovec too.
> +};
> +
> #endif /* __ASM_GENERIC_MMAN_COMMON_H */
Regards.
--
Yann Droneaud
OPTEYA