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-rw-r--r--include/linux/compaction.h9
-rw-r--r--include/linux/mmzone.h12
-rw-r--r--include/trace/events/compaction.h22
-rw-r--r--include/trace/events/vmscan.h14
4 files changed, 33 insertions, 24 deletions
diff --git a/include/linux/compaction.h b/include/linux/compaction.h
index 4b898cdbdf05..3ed2f22b588a 100644
--- a/include/linux/compaction.h
+++ b/include/linux/compaction.h
@@ -97,7 +97,7 @@ extern enum compact_result try_to_compact_pages(gfp_t gfp_mask,
struct page **page);
extern void reset_isolation_suitable(pg_data_t *pgdat);
extern enum compact_result compaction_suitable(struct zone *zone, int order,
- unsigned int alloc_flags, int classzone_idx);
+ unsigned int alloc_flags, int highest_zoneidx);
extern void defer_compaction(struct zone *zone, int order);
extern bool compaction_deferred(struct zone *zone, int order);
@@ -182,7 +182,7 @@ bool compaction_zonelist_suitable(struct alloc_context *ac, int order,
extern int kcompactd_run(int nid);
extern void kcompactd_stop(int nid);
-extern void wakeup_kcompactd(pg_data_t *pgdat, int order, int classzone_idx);
+extern void wakeup_kcompactd(pg_data_t *pgdat, int order, int highest_zoneidx);
#else
static inline void reset_isolation_suitable(pg_data_t *pgdat)
@@ -190,7 +190,7 @@ static inline void reset_isolation_suitable(pg_data_t *pgdat)
}
static inline enum compact_result compaction_suitable(struct zone *zone, int order,
- int alloc_flags, int classzone_idx)
+ int alloc_flags, int highest_zoneidx)
{
return COMPACT_SKIPPED;
}
@@ -232,7 +232,8 @@ static inline void kcompactd_stop(int nid)
{
}
-static inline void wakeup_kcompactd(pg_data_t *pgdat, int order, int classzone_idx)
+static inline void wakeup_kcompactd(pg_data_t *pgdat,
+ int order, int highest_zoneidx)
{
}
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 0c575c3d7feb..cd8bd5f90552 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -699,13 +699,13 @@ typedef struct pglist_data {
struct task_struct *kswapd; /* Protected by
mem_hotplug_begin/end() */
int kswapd_order;
- enum zone_type kswapd_classzone_idx;
+ enum zone_type kswapd_highest_zoneidx;
int kswapd_failures; /* Number of 'reclaimed == 0' runs */
#ifdef CONFIG_COMPACTION
int kcompactd_max_order;
- enum zone_type kcompactd_classzone_idx;
+ enum zone_type kcompactd_highest_zoneidx;
wait_queue_head_t kcompactd_wait;
struct task_struct *kcompactd;
#endif
@@ -783,15 +783,15 @@ static inline bool pgdat_is_empty(pg_data_t *pgdat)
void build_all_zonelists(pg_data_t *pgdat);
void wakeup_kswapd(struct zone *zone, gfp_t gfp_mask, int order,
- enum zone_type classzone_idx);
+ enum zone_type highest_zoneidx);
bool __zone_watermark_ok(struct zone *z, unsigned int order, unsigned long mark,
- int classzone_idx, unsigned int alloc_flags,
+ int highest_zoneidx, unsigned int alloc_flags,
long free_pages);
bool zone_watermark_ok(struct zone *z, unsigned int order,
- unsigned long mark, int classzone_idx,
+ unsigned long mark, int highest_zoneidx,
unsigned int alloc_flags);
bool zone_watermark_ok_safe(struct zone *z, unsigned int order,
- unsigned long mark, int classzone_idx);
+ unsigned long mark, int highest_zoneidx);
enum memmap_context {
MEMMAP_EARLY,
MEMMAP_HOTPLUG,
diff --git a/include/trace/events/compaction.h b/include/trace/events/compaction.h
index e5bf6ee4e814..54e5bf081171 100644
--- a/include/trace/events/compaction.h
+++ b/include/trace/events/compaction.h
@@ -314,40 +314,44 @@ TRACE_EVENT(mm_compaction_kcompactd_sleep,
DECLARE_EVENT_CLASS(kcompactd_wake_template,
- TP_PROTO(int nid, int order, enum zone_type classzone_idx),
+ TP_PROTO(int nid, int order, enum zone_type highest_zoneidx),
- TP_ARGS(nid, order, classzone_idx),
+ TP_ARGS(nid, order, highest_zoneidx),
TP_STRUCT__entry(
__field(int, nid)
__field(int, order)
- __field(enum zone_type, classzone_idx)
+ __field(enum zone_type, highest_zoneidx)
),
TP_fast_assign(
__entry->nid = nid;
__entry->order = order;
- __entry->classzone_idx = classzone_idx;
+ __entry->highest_zoneidx = highest_zoneidx;
),
+ /*
+ * classzone_idx is previous name of the highest_zoneidx.
+ * Reason not to change it is the ABI requirement of the tracepoint.
+ */
TP_printk("nid=%d order=%d classzone_idx=%-8s",
__entry->nid,
__entry->order,
- __print_symbolic(__entry->classzone_idx, ZONE_TYPE))
+ __print_symbolic(__entry->highest_zoneidx, ZONE_TYPE))
);
DEFINE_EVENT(kcompactd_wake_template, mm_compaction_wakeup_kcompactd,
- TP_PROTO(int nid, int order, enum zone_type classzone_idx),
+ TP_PROTO(int nid, int order, enum zone_type highest_zoneidx),
- TP_ARGS(nid, order, classzone_idx)
+ TP_ARGS(nid, order, highest_zoneidx)
);
DEFINE_EVENT(kcompactd_wake_template, mm_compaction_kcompactd_wake,
- TP_PROTO(int nid, int order, enum zone_type classzone_idx),
+ TP_PROTO(int nid, int order, enum zone_type highest_zoneidx),
- TP_ARGS(nid, order, classzone_idx)
+ TP_ARGS(nid, order, highest_zoneidx)
);
#endif
diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h
index 74bb594ccb25..2070df64958e 100644
--- a/include/trace/events/vmscan.h
+++ b/include/trace/events/vmscan.h
@@ -265,7 +265,7 @@ TRACE_EVENT(mm_shrink_slab_end,
);
TRACE_EVENT(mm_vmscan_lru_isolate,
- TP_PROTO(int classzone_idx,
+ TP_PROTO(int highest_zoneidx,
int order,
unsigned long nr_requested,
unsigned long nr_scanned,
@@ -274,10 +274,10 @@ TRACE_EVENT(mm_vmscan_lru_isolate,
isolate_mode_t isolate_mode,
int lru),
- TP_ARGS(classzone_idx, order, nr_requested, nr_scanned, nr_skipped, nr_taken, isolate_mode, lru),
+ TP_ARGS(highest_zoneidx, order, nr_requested, nr_scanned, nr_skipped, nr_taken, isolate_mode, lru),
TP_STRUCT__entry(
- __field(int, classzone_idx)
+ __field(int, highest_zoneidx)
__field(int, order)
__field(unsigned long, nr_requested)
__field(unsigned long, nr_scanned)
@@ -288,7 +288,7 @@ TRACE_EVENT(mm_vmscan_lru_isolate,
),
TP_fast_assign(
- __entry->classzone_idx = classzone_idx;
+ __entry->highest_zoneidx = highest_zoneidx;
__entry->order = order;
__entry->nr_requested = nr_requested;
__entry->nr_scanned = nr_scanned;
@@ -298,9 +298,13 @@ TRACE_EVENT(mm_vmscan_lru_isolate,
__entry->lru = lru;
),
+ /*
+ * classzone is previous name of the highest_zoneidx.
+ * Reason not to change it is the ABI requirement of the tracepoint.
+ */
TP_printk("isolate_mode=%d classzone=%d order=%d nr_requested=%lu nr_scanned=%lu nr_skipped=%lu nr_taken=%lu lru=%s",
__entry->isolate_mode,
- __entry->classzone_idx,
+ __entry->highest_zoneidx,
__entry->order,
__entry->nr_requested,
__entry->nr_scanned,
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-06 11:04:56 +0300