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