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-rw-r--r--tapset/vfs.stp4
1 files changed, 2 insertions, 2 deletions
diff --git a/tapset/vfs.stp b/tapset/vfs.stp
index 4334f7c5..16c51b17 100644
--- a/tapset/vfs.stp
+++ b/tapset/vfs.stp
@@ -476,7 +476,7 @@ probe vfs.block_sync_page.return = kernel.function ("block_sync_page").return
units = "pages"
}
-probe vfs.buffer_migrate_page = kernel.function ("buffer_migrate_page")
+probe vfs.buffer_migrate_page = kernel.function ("buffer_migrate_page")?
{
dev = __page_dev($page)
ino = __page_ino($page)
@@ -490,7 +490,7 @@ probe vfs.buffer_migrate_page = kernel.function ("buffer_migrate_page")
size = 1
units = "pages"
}
-probe vfs.buffer_migrate_page.return = kernel.function ("buffer_migrate_page").return
+probe vfs.buffer_migrate_page.return = kernel.function ("buffer_migrate_page").return?
{
name = "buffer_migrate_page"
retstr = sprintf("%d", $return)