TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
);
+DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_fast_isolate_freepages,
+
+ TP_PROTO(
+ unsigned long start_pfn,
+ unsigned long end_pfn,
+ unsigned long nr_scanned,
+ unsigned long nr_taken),
+
+ TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
+);
+
#ifdef CONFIG_COMPACTION
TRACE_EVENT(mm_compaction_migratepages,
static void fast_isolate_freepages(struct compact_control *cc)
{
unsigned int limit = max(1U, freelist_scan_limit(cc) >> 1);
- unsigned int nr_scanned = 0;
+ unsigned int nr_scanned = 0, total_isolated = 0;
unsigned long low_pfn, min_pfn, highest = 0;
unsigned long nr_isolated = 0;
unsigned long distance;
set_page_private(page, order);
nr_isolated = 1 << order;
nr_scanned += nr_isolated - 1;
+ total_isolated += nr_isolated;
cc->nr_freepages += nr_isolated;
list_add_tail(&page->lru, &cc->freepages);
count_compact_events(COMPACTISOLATED, nr_isolated);
limit = max(1U, limit >> 1);
}
+ trace_mm_compaction_fast_isolate_freepages(min_pfn, cc->free_pfn,
+ nr_scanned, total_isolated);
+
if (!page) {
cc->fast_search_fail++;
if (scan_start) {