From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/include/linux/page_pinner.h | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/kernel/include/linux/page_pinner.h b/kernel/include/linux/page_pinner.h
index ba14d76..6dd0f9d 100644
--- a/kernel/include/linux/page_pinner.h
+++ b/kernel/include/linux/page_pinner.h
@@ -41,6 +41,9 @@
static inline void page_pinner_put_page(struct page *page)
{
+ if (!static_branch_unlikely(&page_pinner_inited))
+ return;
+
if (!static_branch_unlikely(&failure_tracking))
return;
@@ -49,6 +52,9 @@
static inline void page_pinner_failure_detect(struct page *page)
{
+ if (!static_branch_unlikely(&page_pinner_inited))
+ return;
+
if (!static_branch_unlikely(&failure_tracking))
return;
--
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