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-rw-r--r--include/linux/sched.h71
-rw-r--r--include/linux/sched/coredump.h7
-rw-r--r--include/linux/sched/signal.h1
-rw-r--r--include/linux/sched/sysctl.h1
-rw-r--r--include/linux/sched/task.h3
5 files changed, 54 insertions, 29 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index e7b2f8a5c711..ffb6eb55cd13 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -14,6 +14,7 @@
#include <linux/pid.h>
#include <linux/sem.h>
#include <linux/shm.h>
+#include <linux/kmsan_types.h>
#include <linux/mutex.h>
#include <linux/plist.h>
#include <linux/hrtimer.h>
@@ -81,25 +82,34 @@ struct task_group;
*/
/* Used in tsk->state: */
-#define TASK_RUNNING 0x0000
-#define TASK_INTERRUPTIBLE 0x0001
-#define TASK_UNINTERRUPTIBLE 0x0002
-#define __TASK_STOPPED 0x0004
-#define __TASK_TRACED 0x0008
+#define TASK_RUNNING 0x00000000
+#define TASK_INTERRUPTIBLE 0x00000001
+#define TASK_UNINTERRUPTIBLE 0x00000002
+#define __TASK_STOPPED 0x00000004
+#define __TASK_TRACED 0x00000008
/* Used in tsk->exit_state: */
-#define EXIT_DEAD 0x0010
-#define EXIT_ZOMBIE 0x0020
+#define EXIT_DEAD 0x00000010
+#define EXIT_ZOMBIE 0x00000020
#define EXIT_TRACE (EXIT_ZOMBIE | EXIT_DEAD)
/* Used in tsk->state again: */
-#define TASK_PARKED 0x0040
-#define TASK_DEAD 0x0080
-#define TASK_WAKEKILL 0x0100
-#define TASK_WAKING 0x0200
-#define TASK_NOLOAD 0x0400
-#define TASK_NEW 0x0800
-/* RT specific auxilliary flag to mark RT lock waiters */
-#define TASK_RTLOCK_WAIT 0x1000
-#define TASK_STATE_MAX 0x2000
+#define TASK_PARKED 0x00000040
+#define TASK_DEAD 0x00000080
+#define TASK_WAKEKILL 0x00000100
+#define TASK_WAKING 0x00000200
+#define TASK_NOLOAD 0x00000400
+#define TASK_NEW 0x00000800
+#define TASK_RTLOCK_WAIT 0x00001000
+#define TASK_FREEZABLE 0x00002000
+#define __TASK_FREEZABLE_UNSAFE (0x00004000 * IS_ENABLED(CONFIG_LOCKDEP))
+#define TASK_FROZEN 0x00008000
+#define TASK_STATE_MAX 0x00010000
+
+#define TASK_ANY (TASK_STATE_MAX-1)
+
+/*
+ * DO NOT ADD ANY NEW USERS !
+ */
+#define TASK_FREEZABLE_UNSAFE (TASK_FREEZABLE | __TASK_FREEZABLE_UNSAFE)
/* Convenience macros for the sake of set_current_state: */
#define TASK_KILLABLE (TASK_WAKEKILL | TASK_UNINTERRUPTIBLE)
@@ -860,9 +870,6 @@ struct task_struct {
struct mm_struct *mm;
struct mm_struct *active_mm;
- /* Per-thread vma caching: */
- struct vmacache vmacache;
-
#ifdef SPLIT_RSS_COUNTING
struct task_rss_stat rss_stat;
#endif
@@ -914,6 +921,10 @@ struct task_struct {
#ifdef CONFIG_MEMCG
unsigned in_user_fault:1;
#endif
+#ifdef CONFIG_LRU_GEN
+ /* whether the LRU algorithm may apply to this access */
+ unsigned in_lru_fault:1;
+#endif
#ifdef CONFIG_COMPAT_BRK
unsigned brk_randomized:1;
#endif
@@ -936,7 +947,7 @@ struct task_struct {
#endif
#ifdef CONFIG_EVENTFD
/* Recursion prevention for eventfd_signal() */
- unsigned in_eventfd_signal:1;
+ unsigned in_eventfd:1;
#endif
#ifdef CONFIG_IOMMU_SVA
unsigned pasid_activated:1;
@@ -944,6 +955,10 @@ struct task_struct {
#ifdef CONFIG_CPU_SUP_INTEL
unsigned reported_split_lock:1;
#endif
+#ifdef CONFIG_TASK_DELAY_ACCT
+ /* delay due to memory thrashing */
+ unsigned in_thrashing:1;
+#endif
unsigned long atomic_flags; /* Flags requiring atomic access. */
@@ -1355,6 +1370,10 @@ struct task_struct {
#endif
#endif
+#ifdef CONFIG_KMSAN
+ struct kmsan_ctx kmsan_ctx;
+#endif
+
#if IS_ENABLED(CONFIG_KUNIT)
struct kunit *kunit_test;
#endif
@@ -1381,9 +1400,6 @@ struct task_struct {
#endif
#ifdef CONFIG_TRACING
- /* State flags for use by tracers: */
- unsigned long trace;
-
/* Bitmask and counter of trace recursion: */
unsigned long trace_recursion;
#endif /* CONFIG_TRACING */
@@ -1713,8 +1729,9 @@ extern struct pid *cad_pid;
#define PF_MEMALLOC 0x00000800 /* Allocating memory */
#define PF_NPROC_EXCEEDED 0x00001000 /* set_user() noticed that RLIMIT_NPROC was exceeded */
#define PF_USED_MATH 0x00002000 /* If unset the fpu must be initialized before use */
+#define PF__HOLE__00004000 0x00004000
#define PF_NOFREEZE 0x00008000 /* This thread should not be frozen */
-#define PF_FROZEN 0x00010000 /* Frozen for system suspend */
+#define PF__HOLE__00010000 0x00010000
#define PF_KSWAPD 0x00020000 /* I am kswapd */
#define PF_MEMALLOC_NOFS 0x00040000 /* All allocation requests will inherit GFP_NOFS */
#define PF_MEMALLOC_NOIO 0x00080000 /* All allocation requests will inherit GFP_NOIO */
@@ -1722,10 +1739,14 @@ extern struct pid *cad_pid;
* I am cleaning dirty pages from some other bdi. */
#define PF_KTHREAD 0x00200000 /* I am a kernel thread */
#define PF_RANDOMIZE 0x00400000 /* Randomize virtual address space */
+#define PF__HOLE__00800000 0x00800000
+#define PF__HOLE__01000000 0x01000000
+#define PF__HOLE__02000000 0x02000000
#define PF_NO_SETAFFINITY 0x04000000 /* Userland is not allowed to meddle with cpus_mask */
#define PF_MCE_EARLY 0x08000000 /* Early kill for mce process policy */
#define PF_MEMALLOC_PIN 0x10000000 /* Allocation context constrained to zones which allow long term pinning. */
-#define PF_FREEZER_SKIP 0x40000000 /* Freezer should not count it as freezable */
+#define PF__HOLE__20000000 0x20000000
+#define PF__HOLE__40000000 0x40000000
#define PF_SUSPEND_TASK 0x80000000 /* This thread called freeze_processes() and should not be frozen */
/*
diff --git a/include/linux/sched/coredump.h b/include/linux/sched/coredump.h
index 4d0a5be28b70..8270ad7ae14c 100644
--- a/include/linux/sched/coredump.h
+++ b/include/linux/sched/coredump.h
@@ -71,9 +71,8 @@ static inline int get_dumpable(struct mm_struct *mm)
#define MMF_UNSTABLE 22 /* mm is unstable for copy_from_user */
#define MMF_HUGE_ZERO_PAGE 23 /* mm has ever used the global huge zero page */
#define MMF_DISABLE_THP 24 /* disable THP for all VMAs */
-#define MMF_OOM_VICTIM 25 /* mm is the oom victim */
-#define MMF_OOM_REAP_QUEUED 26 /* mm was queued for oom_reaper */
-#define MMF_MULTIPROCESS 27 /* mm is shared between processes */
+#define MMF_OOM_REAP_QUEUED 25 /* mm was queued for oom_reaper */
+#define MMF_MULTIPROCESS 26 /* mm is shared between processes */
/*
* MMF_HAS_PINNED: Whether this mm has pinned any pages. This can be either
* replaced in the future by mm.pinned_vm when it becomes stable, or grow into
@@ -81,7 +80,7 @@ static inline int get_dumpable(struct mm_struct *mm)
* pinned pages were unpinned later on, we'll still keep this bit set for the
* lifecycle of this mm, just for simplicity.
*/
-#define MMF_HAS_PINNED 28 /* FOLL_PIN has run, never cleared */
+#define MMF_HAS_PINNED 27 /* FOLL_PIN has run, never cleared */
#define MMF_DISABLE_THP_MASK (1 << MMF_DISABLE_THP)
#define MMF_INIT_MASK (MMF_DUMPABLE_MASK | MMF_DUMP_FILTER_MASK |\
diff --git a/include/linux/sched/signal.h b/include/linux/sched/signal.h
index cafbe03eed01..20099268fa25 100644
--- a/include/linux/sched/signal.h
+++ b/include/linux/sched/signal.h
@@ -94,6 +94,7 @@ struct signal_struct {
refcount_t sigcnt;
atomic_t live;
int nr_threads;
+ int quick_threads;
struct list_head thread_head;
wait_queue_head_t wait_chldexit; /* for wait4() */
diff --git a/include/linux/sched/sysctl.h b/include/linux/sched/sysctl.h
index e650946816d0..303ee7dd0c7e 100644
--- a/include/linux/sched/sysctl.h
+++ b/include/linux/sched/sysctl.h
@@ -27,6 +27,7 @@ enum sched_tunable_scaling {
#ifdef CONFIG_NUMA_BALANCING
extern int sysctl_numa_balancing_mode;
+extern unsigned int sysctl_numa_balancing_promote_rate_limit;
#else
#define sysctl_numa_balancing_mode 0
#endif
diff --git a/include/linux/sched/task.h b/include/linux/sched/task.h
index 81cab4b01edc..d6c48163c6de 100644
--- a/include/linux/sched/task.h
+++ b/include/linux/sched/task.h
@@ -127,6 +127,9 @@ static inline void put_task_struct_many(struct task_struct *t, int nr)
void put_task_struct_rcu_user(struct task_struct *task);
+/* Free all architecture-specific resources held by a thread. */
+void release_thread(struct task_struct *dead_task);
+
#ifdef CONFIG_ARCH_WANTS_DYNAMIC_TASK_STRUCT
extern int arch_task_struct_size __read_mostly;
#else
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