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authorMark Brown <broonie@kernel.org>2017-11-28 16:19:52 +0000
committerMark Brown <broonie@kernel.org>2017-11-28 16:19:52 +0000
commit69830d3909849dee33b9a2de88ece3d59c75a1b8 (patch)
tree67e22ac989e782ddc104f186dee54d1675e76923 /include/linux/user_namespace.h
parentASoC: rk3399_gru_sound: Map BTN_0 to KEY_PLAYPAUSE (diff)
parentASoC: add snd_soc_disconnect_sync() (diff)
downloadlinux-dev-69830d3909849dee33b9a2de88ece3d59c75a1b8.tar.xz
linux-dev-69830d3909849dee33b9a2de88ece3d59c75a1b8.zip
Merge branch 'topic/disconnect' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-rcar
Diffstat (limited to 'include/linux/user_namespace.h')
-rw-r--r--include/linux/user_namespace.h23
1 files changed, 16 insertions, 7 deletions
diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h
index 3fe714da7f5a..d6b74b91096b 100644
--- a/include/linux/user_namespace.h
+++ b/include/linux/user_namespace.h
@@ -11,15 +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