diff options
| -rw-r--r-- | include/trace/events/kmem.h | 14 | ||||
| -rw-r--r-- | mm/page_alloc.c | 13 |
2 files changed, 14 insertions, 13 deletions
diff --git a/include/trace/events/kmem.h b/include/trace/events/kmem.h index 71c141804222..f76668305ac5 100644 --- a/include/trace/events/kmem.h +++ b/include/trace/events/kmem.h @@ -229,20 +229,23 @@ TRACE_EVENT(mm_page_alloc, DECLARE_EVENT_CLASS(mm_page, - TP_PROTO(struct page *page, unsigned int order, int migratetype), + TP_PROTO(struct page *page, unsigned int order, int migratetype, + int percpu_refill), - TP_ARGS(page, order, migratetype), + TP_ARGS(page, order, migratetype, percpu_refill), TP_STRUCT__entry( __field( unsigned long, pfn ) __field( unsigned int, order ) __field( int, migratetype ) + __field( int, percpu_refill ) ), TP_fast_assign( __entry->pfn = page ? page_to_pfn(page) : -1UL; __entry->order = order; __entry->migratetype = migratetype; + __entry->percpu_refill = percpu_refill; ), TP_printk("page=%p pfn=0x%lx order=%u migratetype=%d percpu_refill=%d", @@ -250,14 +253,15 @@ DECLARE_EVENT_CLASS(mm_page, __entry->pfn != -1UL ? __entry->pfn : 0, __entry->order, __entry->migratetype, - __entry->order == 0) + __entry->percpu_refill) ); DEFINE_EVENT(mm_page, mm_page_alloc_zone_locked, - TP_PROTO(struct page *page, unsigned int order, int migratetype), + TP_PROTO(struct page *page, unsigned int order, int migratetype, + int percpu_refill), - TP_ARGS(page, order, migratetype) + TP_ARGS(page, order, migratetype, percpu_refill) ); TRACE_EVENT(mm_page_pcpu_drain, diff --git a/mm/page_alloc.c b/mm/page_alloc.c index a4a8fbbd6217..10305b10fe93 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2466,6 +2466,9 @@ struct page *__rmqueue_smallest(struct zone *zone, unsigned int order, del_page_from_free_list(page, zone, current_order); expand(zone, page, order, current_order, migratetype); set_pcppage_migratetype(page, migratetype); + trace_mm_page_alloc_zone_locked(page, order, migratetype, + pcp_allowed_order(order) && + migratetype < MIGRATE_PCPTYPES); return page; } @@ -2989,7 +2992,7 @@ __rmqueue(struct zone *zone, unsigned int order, int migratetype, zone_page_state(zone, NR_FREE_PAGES) / 2) { page = __rmqueue_cma_fallback(zone, order); if (page) - goto out; + return page; } } retry: @@ -3002,9 +3005,6 @@ retry: alloc_flags)) goto retry; } -out: - if (page) - trace_mm_page_alloc_zone_locked(page, order, migratetype); return page; } @@ -3723,11 +3723,8 @@ struct page *rmqueue(struct zone *preferred_zone, * reserved for high-order atomic allocation, so order-0 * request should skip it. */ - if (order > 0 && alloc_flags & ALLOC_HARDER) { + if (order > 0 && alloc_flags & ALLOC_HARDER) page = __rmqueue_smallest(zone, order, MIGRATE_HIGHATOMIC); - if (page) - trace_mm_page_alloc_zone_locked(page, order, migratetype); - } if (!page) { page = __rmqueue(zone, order, migratetype, alloc_flags); if (!page) |