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authorJames Morris <james.l.morris@oracle.com>2017-09-24 22:41:55 -0700
committerJames Morris <james.l.morris@oracle.com>2017-09-24 22:41:55 -0700
commit25eabb13c7d67ae32298015c5e28d00f604f412c (patch)
tree5bd75c2c1e385c79425bb099f0d19db7fb9c391f /include/linux/shm.h
parentab5348c9c23cd253f5902980d2d8fe067dc24c82 (diff)
parente19b205be43d11bff638cad4487008c48d21c103 (diff)
Merge tag 'v4.14-rc2' into next-general
Linux 4.14-rc2 Sync to v4.14-rc2 for security subsystem developers to track.
Diffstat (limited to 'include/linux/shm.h')
-rw-r--r--include/linux/shm.h23
1 files changed, 3 insertions, 20 deletions
diff --git a/include/linux/shm.h b/include/linux/shm.h
index 0fb7061ec54c..74a4b3b64352 100644
--- a/include/linux/shm.h
+++ b/include/linux/shm.h
@@ -12,9 +12,9 @@ struct shmid_kernel /* private to the kernel */
struct file *shm_file;
unsigned long shm_nattch;
unsigned long shm_segsz;
- time_t shm_atim;
- time_t shm_dtim;
- time_t shm_ctim;
+ time64_t shm_atim;
+ time64_t shm_dtim;
+ time64_t shm_ctim;
pid_t shm_cprid;
pid_t shm_lprid;
struct user_struct *mlock_user;
@@ -27,23 +27,6 @@ struct shmid_kernel /* private to the kernel */
/* shm_mode upper byte flags */
#define SHM_DEST 01000 /* segment will be destroyed on last detach */
#define SHM_LOCKED 02000 /* segment will not be swapped */
-#define SHM_HUGETLB 04000 /* segment will use huge TLB pages */
-#define SHM_NORESERVE 010000 /* don't check for reservations */
-
-/* Bits [26:31] are reserved */
-
-/*
- * When SHM_HUGETLB is set bits [26:31] encode the log2 of the huge page size.
- * This gives us 6 bits, which is enough until someone invents 128 bit address
- * spaces.
- *
- * Assume these are all power of twos.
- * When 0 use the default page size.
- */
-#define SHM_HUGE_SHIFT 26
-#define SHM_HUGE_MASK 0x3f
-#define SHM_HUGE_2MB (21 << SHM_HUGE_SHIFT)
-#define SHM_HUGE_1GB (30 << SHM_HUGE_SHIFT)
#ifdef CONFIG_SYSVIPC
struct sysv_shm {