summaryrefslogtreecommitdiffstats
path: root/mm/filemap_xip.c
diff options
context:
space:
mode:
Diffstat (limited to 'mm/filemap_xip.c')
-rw-r--r--mm/filemap_xip.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/mm/filemap_xip.c b/mm/filemap_xip.c
index f91b2f6..a4eb311 100644
--- a/mm/filemap_xip.c
+++ b/mm/filemap_xip.c
@@ -263,7 +263,12 @@ found:
xip_pfn);
if (err == -ENOMEM)
return VM_FAULT_OOM;
- BUG_ON(err);
+ /*
+ * err == -EBUSY is fine, we've raced against another thread
+ * that faulted-in the same page
+ */
+ if (err != -EBUSY)
+ BUG_ON(err);
return VM_FAULT_NOPAGE;
} else {
int err, ret = VM_FAULT_OOM;
OpenPOWER on IntegriCloud