mm/compaction: print current range where compaction work

[mirror_ubuntu-bionic-kernel.git] / mm / compaction.c

diff --git a/mm/compaction.c b/mm/compaction.c
index 66f7c365e888936a1c0ebae846c20d927d8a0d2d..b12df9fe10b4e59c488ba2a2484a7e9c8d3c2fee 100644 (file)
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -430,11 +430,12 @@ isolate_fail:
 
        }
 
+       trace_mm_compaction_isolate_freepages(*start_pfn, blockpfn,
+                                       nr_scanned, total_isolated);
+
        /* Record how far we have got within the block */
        *start_pfn = blockpfn;
 
-       trace_mm_compaction_isolate_freepages(nr_scanned, total_isolated);
-
        /*
         * If strict isolation is requested by CMA then check that all the
         * pages requested were isolated. If there were any failures, 0 is
@@ -590,6 +591,7 @@ isolate_migratepages_block(struct compact_control *cc, unsigned long low_pfn,
        unsigned long flags = 0;
        bool locked = false;
        struct page *page = NULL, *valid_page = NULL;
+       unsigned long start_pfn = low_pfn;
 
        /*
         * Ensure that there are not too many pages isolated from the LRU
@@ -750,7 +752,8 @@ isolate_success:
        if (low_pfn == end_pfn)
                update_pageblock_skip(cc, valid_page, nr_isolated, true);
 
-       trace_mm_compaction_isolate_migratepages(nr_scanned, nr_isolated);
+       trace_mm_compaction_isolate_migratepages(start_pfn, low_pfn,
+                                               nr_scanned, nr_isolated);
 
        count_compact_events(COMPACTMIGRATE_SCANNED, nr_scanned);
        if (nr_isolated)