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-flags-layout.h |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/kernel/include/linux/page-flags-layout.h b/kernel/include/linux/page-flags-layout.h
index 7128373..7d4ec26 100644
--- a/kernel/include/linux/page-flags-layout.h
+++ b/kernel/include/linux/page-flags-layout.h
@@ -77,7 +77,7 @@
 #define LAST_CPUPID_SHIFT 0
 #endif
 
-#ifdef CONFIG_KASAN_SW_TAGS
+#if defined(CONFIG_KASAN_SW_TAGS) || defined(CONFIG_KASAN_HW_TAGS)
 #define KASAN_TAG_WIDTH 8
 #else
 #define KASAN_TAG_WIDTH 0
@@ -98,9 +98,11 @@
 /*
  * We are going to use the flags for the page to node mapping if its in
  * there.  This includes the case where there is no node, so it is implicit.
+ * Note that this #define MUST have a value so that it can be tested with
+ * the IS_ENABLED() macro.
  */
 #if !(NODES_WIDTH > 0 || NODES_SHIFT == 0)
-#define NODE_NOT_IN_PAGE_FLAGS
+#define NODE_NOT_IN_PAGE_FLAGS 1
 #endif
 
 #if defined(CONFIG_NUMA_BALANCING) && LAST_CPUPID_WIDTH == 0

--
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