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| author | Mark Brown <broonie@kernel.org> | 2018-01-08 15:54:50 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-01-08 15:54:50 +0000 |
| commit | 498495dba268b20e8eadd7fe93c140c68b6cc9d2 (patch) | |
| tree | 00d1562049d8bc2194fddd9ba0cbbe0812ad6f68 /include/linux/user_namespace.h | |
| parent | d5cc0a1fcbb5ddbef9fdd4c4a978da3254ddbf37 (diff) | |
| parent | 5c256045b87b8aa8e5bc9d2e2fdc0802351c1f99 (diff) | |
| download | linux-stable-498495dba268b20e8eadd7fe93c140c68b6cc9d2.tar.gz linux-stable-498495dba268b20e8eadd7fe93c140c68b6cc9d2.tar.bz2 linux-stable-498495dba268b20e8eadd7fe93c140c68b6cc9d2.zip | |
Merge branch 'fix/intel' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-intel
Diffstat (limited to 'include/linux/user_namespace.h')
| -rw-r--r-- | include/linux/user_namespace.h | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h index c18e01252346..d6b74b91096b 100644 --- a/include/linux/user_namespace.h +++ b/include/linux/user_namespace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_USER_NAMESPACE_H #define _LINUX_USER_NAMESPACE_H @@ -10,15 +11,24 @@ #include <linux/sysctl.h> #include <linux/err.h> -#define UID_GID_MAP_MAX_EXTENTS 5 +#define UID_GID_MAP_MAX_BASE_EXTENTS 5 +#define UID_GID_MAP_MAX_EXTENTS 340 -struct uid_gid_map { /* 64 bytes -- 1 cache line */ +struct uid_gid_extent { + u32 first; + u32 lower_first; + u32 count; +}; + +struct uid_gid_map { /* 64 bytes -- 1 cache line */ u32 nr_extents; - struct uid_gid_extent { - u32 first; - u32 lower_first; - u32 count; - } extent[UID_GID_MAP_MAX_EXTENTS]; + union { + struct uid_gid_extent extent[UID_GID_MAP_MAX_BASE_EXTENTS]; + struct { + struct uid_gid_extent *forward; + struct uid_gid_extent *reverse; + }; + }; }; #define USERNS_SETGROUPS_ALLOWED 1UL |