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Diffstat (limited to 'include')
-rw-r--r--include/linux/file.h2
-rw-r--r--include/linux/sched.h2
-rw-r--r--include/linux/syscalls.h1
-rw-r--r--include/uapi/asm-generic/unistd.h4
-rw-r--r--include/uapi/linux/capability.h1
-rw-r--r--include/uapi/linux/prctl.h4
6 files changed, 12 insertions, 2 deletions
diff --git a/include/linux/file.h b/include/linux/file.h
index 3fcddff56bc4..c6c7b24ea9f7 100644
--- a/include/linux/file.h
+++ b/include/linux/file.h
@@ -16,6 +16,7 @@ extern void fput(struct file *);
extern void fput_many(struct file *, unsigned int);
struct file_operations;
+struct task_struct;
struct vfsmount;
struct dentry;
struct inode;
@@ -47,6 +48,7 @@ static inline void fdput(struct fd fd)
extern struct file *fget(unsigned int fd);
extern struct file *fget_many(unsigned int fd, unsigned int refs);
extern struct file *fget_raw(unsigned int fd);
+extern struct file *fget_task(struct task_struct *task, unsigned int fd);
extern unsigned long __fdget(unsigned int fd);
extern unsigned long __fdget_raw(unsigned int fd);
extern unsigned long __fdget_pos(unsigned int fd);
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 716ad1d8d95e..04278493bf15 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -917,7 +917,7 @@ struct task_struct {
/* Signal handlers: */
struct signal_struct *signal;
- struct sighand_struct *sighand;
+ struct sighand_struct __rcu *sighand;
sigset_t blocked;
sigset_t real_blocked;
/* Restored if set_restore_sigmask() was used: */
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index ac3a663137b6..1815065d52f3 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -1002,6 +1002,7 @@ asmlinkage long sys_fspick(int dfd, const char __user *path, unsigned int flags)
asmlinkage long sys_pidfd_send_signal(int pidfd, int sig,
siginfo_t __user *info,
unsigned int flags);
+asmlinkage long sys_pidfd_getfd(int pidfd, int fd, unsigned int flags);
/*
* Architecture-specific system calls
diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h
index d4122c091472..3a3201e4618e 100644
--- a/include/uapi/asm-generic/unistd.h
+++ b/include/uapi/asm-generic/unistd.h
@@ -853,9 +853,11 @@ __SYSCALL(__NR_clone3, sys_clone3)
#define __NR_openat2 437
__SYSCALL(__NR_openat2, sys_openat2)
+#define __NR_pidfd_getfd 438
+__SYSCALL(__NR_pidfd_getfd, sys_pidfd_getfd)
#undef __NR_syscalls
-#define __NR_syscalls 438
+#define __NR_syscalls 439
/*
* 32 bit systems traditionally used different
diff --git a/include/uapi/linux/capability.h b/include/uapi/linux/capability.h
index 240fdb9a60f6..272dc69fa080 100644
--- a/include/uapi/linux/capability.h
+++ b/include/uapi/linux/capability.h
@@ -301,6 +301,7 @@ struct vfs_ns_cap_data {
/* Allow more than 64hz interrupts from the real-time clock */
/* Override max number of consoles on console allocation */
/* Override max number of keymaps */
+/* Control memory reclaim behavior */
#define CAP_SYS_RESOURCE 24
diff --git a/include/uapi/linux/prctl.h b/include/uapi/linux/prctl.h
index 7da1b37b27aa..07b4f8131e36 100644
--- a/include/uapi/linux/prctl.h
+++ b/include/uapi/linux/prctl.h
@@ -234,4 +234,8 @@ struct prctl_mm_map {
#define PR_GET_TAGGED_ADDR_CTRL 56
# define PR_TAGGED_ADDR_ENABLE (1UL << 0)
+/* Control reclaim behavior when allocating memory */
+#define PR_SET_IO_FLUSHER 57
+#define PR_GET_IO_FLUSHER 58
+
#endif /* _LINUX_PRCTL_H */