@@ -1435,8 +1435,7 @@ static int next_search_order(struct compact_control *cc, int order)
return order;
}
-static unsigned long
-fast_isolate_freepages(struct compact_control *cc)
+static void fast_isolate_freepages(struct compact_control *cc)
{
unsigned int limit = max(1U, freelist_scan_limit(cc) >> 1);
unsigned int nr_scanned = 0;
@@ -1449,7 +1448,7 @@ fast_isolate_freepages(struct compact_control *cc)
/* Full compaction passes in a negative order */
if (cc->order <= 0)
- return cc->free_pfn;
+ return;
/*
* If starting the scan, use a deeper search and use the highest
@@ -1588,11 +1587,10 @@ fast_isolate_freepages(struct compact_control *cc)
cc->total_free_scanned += nr_scanned;
if (!page)
- return cc->free_pfn;
+ return;
low_pfn = page_to_pfn(page);
fast_isolate_around(cc, low_pfn);
- return low_pfn;
}
/*
No caller cares about the return value of fast_isolate_freepages(), void it. Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com> --- mm/compaction.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-)