3 files changed, 0 insertions, 128 deletions

diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 26574c726121..dad95bdd06d7 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -345,17 +345,6 @@ struct mm_struct {
         /* Architecture-specific MM context */
         mm_context_t context;
 
-        /* Swap token stuff */
-        /*
-         * Last value of global fault stamp as seen by this process.
-         * In other words, this value gives an indication of how long
-         * it has been since this task got the token.
-         * Look at mm/thrash.c
-         */
-        unsigned int faultstamp;
-        unsigned int token_priority;
-        unsigned int last_interval;
-
         unsigned long flags; /* Must use atomic bitops to access the bits */
 
         struct core_state *core_state; /* coredumping support */
diff --git a/include/linux/swap.h b/include/linux/swap.h
index b1fd5c7925fe..bc3073ce95cc 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -355,23 +355,6 @@ extern int reuse_swap_page(struct page *);
 extern int try_to_free_swap(struct page *);
 struct backing_dev_info;
 
-/* linux/mm/thrash.c */
-extern struct mm_struct *swap_token_mm;
-extern void grab_swap_token(struct mm_struct *);
-extern void __put_swap_token(struct mm_struct *);
-extern void disable_swap_token(struct mem_cgroup *memcg);
-
-static inline int has_swap_token(struct mm_struct *mm)
-{
-        return (mm == swap_token_mm);
-}
-
-static inline void put_swap_token(struct mm_struct *mm)
-{
-        if (has_swap_token(mm))
-                __put_swap_token(mm);
-}
-
 #ifdef CONFIG_CGROUP_MEM_RES_CTLR
 extern void
 mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent, bool swapout);
@@ -476,24 +459,6 @@ static inline swp_entry_t get_swap_page(void)
         return entry;
 }
 
-/* linux/mm/thrash.c */
-static inline void put_swap_token(struct mm_struct *mm)
-{
-}
-
-static inline void grab_swap_token(struct mm_struct *mm)
-{
-}
-
-static inline int has_swap_token(struct mm_struct *mm)
-{
-        return 0;
-}
-
-static inline void disable_swap_token(struct mem_cgroup *memcg)
-{
-}
-
 static inline void
 mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent)
 {
diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h
index f64560e204bc..572195459d58 100644
--- a/include/trace/events/vmscan.h
+++ b/include/trace/events/vmscan.h
@@ -395,88 +395,6 @@ TRACE_EVENT(mm_vmscan_lru_shrink_inactive,
                 show_reclaim_flags(__entry->reclaim_flags))
 );
 
-TRACE_EVENT(replace_swap_token,
-        TP_PROTO(struct mm_struct *old_mm,
-                 struct mm_struct *new_mm),
-
-        TP_ARGS(old_mm, new_mm),
-
-        TP_STRUCT__entry(
-                __field(struct mm_struct*,      old_mm)
-                __field(unsigned int,           old_prio)
-                __field(struct mm_struct*,      new_mm)
-                __field(unsigned int,           new_prio)
-        ),
-
-        TP_fast_assign(
-                __entry->old_mm   = old_mm;
-                __entry->old_prio = old_mm ? old_mm->token_priority : 0;
-                __entry->new_mm   = new_mm;
-                __entry->new_prio = new_mm->token_priority;
-        ),
-
-        TP_printk("old_token_mm=%p old_prio=%u new_token_mm=%p new_prio=%u",
-                  __entry->old_mm, __entry->old_prio,
-                  __entry->new_mm, __entry->new_prio)
-);
-
-DECLARE_EVENT_CLASS(put_swap_token_template,
-        TP_PROTO(struct mm_struct *swap_token_mm),
-
-        TP_ARGS(swap_token_mm),
-
-        TP_STRUCT__entry(
-                __field(struct mm_struct*, swap_token_mm)
-        ),
-
-        TP_fast_assign(
-                __entry->swap_token_mm = swap_token_mm;
-        ),
-
-        TP_printk("token_mm=%p", __entry->swap_token_mm)
-);
-
-DEFINE_EVENT(put_swap_token_template, put_swap_token,
-        TP_PROTO(struct mm_struct *swap_token_mm),
-        TP_ARGS(swap_token_mm)
-);
-
-DEFINE_EVENT_CONDITION(put_swap_token_template, disable_swap_token,
-        TP_PROTO(struct mm_struct *swap_token_mm),
-        TP_ARGS(swap_token_mm),
-        TP_CONDITION(swap_token_mm != NULL)
-);
-
-TRACE_EVENT_CONDITION(update_swap_token_priority,
-        TP_PROTO(struct mm_struct *mm,
-                 unsigned int old_prio,
-                 struct mm_struct *swap_token_mm),
-
-        TP_ARGS(mm, old_prio, swap_token_mm),
-
-        TP_CONDITION(mm->token_priority != old_prio),
-
-        TP_STRUCT__entry(
-                __field(struct mm_struct*, mm)
-                __field(unsigned int, old_prio)
-                __field(unsigned int, new_prio)
-                __field(struct mm_struct*, swap_token_mm)
-                __field(unsigned int, swap_token_prio)
-        ),
-
-        TP_fast_assign(
-                __entry->mm             = mm;
-                __entry->old_prio       = old_prio;
-                __entry->new_prio       = mm->token_priority;
-                __entry->swap_token_mm  = swap_token_mm;
-                __entry->swap_token_prio = swap_token_mm ? swap_token_mm->token_priority : 0;
-        ),
-
-        TP_printk("mm=%p old_prio=%u new_prio=%u swap_token_mm=%p token_prio=%u",
-                  __entry->mm, __entry->old_prio, __entry->new_prio,
-                  __entry->swap_token_mm, __entry->swap_token_prio)
-);
-
 #endif /* _TRACE_VMSCAN_H */
 
 /* This part must be outside protection */