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Diffstat (limited to 'include/linux/sched.h')
-rw-r--r--include/linux/sched.h26
1 files changed, 24 insertions, 2 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index c75fd46506df..61591ac6eab6 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -770,6 +770,10 @@ struct task_struct {
unsigned int flags;
unsigned int ptrace;
+#ifdef CONFIG_MEM_ALLOC_PROFILING
+ struct alloc_tag *alloc_tag;
+#endif
+
#ifdef CONFIG_SMP
int on_cpu;
struct __call_single_node wake_entry;
@@ -810,6 +814,7 @@ struct task_struct {
struct task_group *sched_task_group;
#endif
+
#ifdef CONFIG_UCLAMP_TASK
/*
* Clamp values requested for a scheduling entity.
@@ -1444,8 +1449,6 @@ struct task_struct {
#ifdef CONFIG_MEMCG
struct mem_cgroup *memcg_in_oom;
- gfp_t memcg_oom_gfp_mask;
- int memcg_oom_order;
/* Number of pages to reclaim on returning to userland: */
unsigned int memcg_nr_pages_over_high;
@@ -2188,4 +2191,23 @@ static inline int sched_core_idle_cpu(int cpu) { return idle_cpu(cpu); }
extern void sched_set_stop_task(int cpu, struct task_struct *stop);
+#ifdef CONFIG_MEM_ALLOC_PROFILING
+static inline struct alloc_tag *alloc_tag_save(struct alloc_tag *tag)
+{
+ swap(current->alloc_tag, tag);
+ return tag;
+}
+
+static inline void alloc_tag_restore(struct alloc_tag *tag, struct alloc_tag *old)
+{
+#ifdef CONFIG_MEM_ALLOC_PROFILING_DEBUG
+ WARN(current->alloc_tag != tag, "current->alloc_tag was changed:\n");
+#endif
+ current->alloc_tag = old;
+}
+#else
+#define alloc_tag_save(_tag) NULL
+#define alloc_tag_restore(_tag, _old) do {} while (0)
+#endif
+
#endif