Re: [PATCH 04/36] usercopy: Prepare for usercopy whitelisting
From: Christopher Lameter <hidden>
Date: 2018-01-10 18:28:23
Also in:
linux-fsdevel, linux-mm, linux-xfs, lkml, netdev
On Tue, 9 Jan 2018, Kees Cook wrote:
+struct kmem_cache *kmem_cache_create_usercopy(const char *name, + size_t size, size_t align, slab_flags_t flags, + size_t useroffset, size_t usersize, + void (*ctor)(void *));
Hmmm... At some point we should switch kmem_cache_create to pass a struct containing all the parameters. Otherwise the API will blow up with additional functions.
quoted hunk ↗ jump to hunk
index 2181719fd907..70c4b4bb4d1f 100644--- a/include/linux/stddef.h +++ b/include/linux/stddef.h@@ -19,6 +19,8 @@ enum { #define offsetof(TYPE, MEMBER) ((size_t)&((TYPE *)0)->MEMBER) #endif +#define sizeof_field(structure, field) sizeof((((structure *)0)->field)) + /** * offsetofend(TYPE, MEMBER) *
Have a separate patch for adding this functionality? Its not a slab maintainer file. Rest looks ok. Acked-by: Christoph Lameter <redacted>