From 63a371b261c4007d8910321b21f60ceec7f44e25 Mon Sep 17 00:00:00 2001
From: wangmingrong1 <wangmingrong1@xiaomi.com>
Date: Wed, 4 Sep 2024 15:26:14 +0800
Subject: [PATCH] mm/kasan: Change the init flag

   predict_false(g_region_init == KASAN_INIT_VALUE))
   c:	e3003000 	movw	r3, #0
  10:	e3403000 	movt	r3, #0
  if (predict_false(size == 0) ||
  14:	e5932000 	ldr	r2, [r3]
  18:	e30e3adf 	movw	r3, #60127	; 0xeadf
if KASAN_INIT_VALUE is 0xdeadcafe, run function movw will again and load twice

Signed-off-by: wangmingrong1 <wangmingrong1@xiaomi.com>
---
 mm/kasan/hook.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/kasan/hook.c b/mm/kasan/hook.c
index 7b50ca5d44..da111ab2ac 100644
--- a/mm/kasan/hook.c
+++ b/mm/kasan/hook.c
@@ -97,7 +97,7 @@
 #  define MM_KASAN_WATCHPOINT 0
 #endif
 
-#define KASAN_INIT_VALUE 0xdeadcafe
+#define KASAN_INIT_VALUE 0xcafe
 
 /****************************************************************************
  * Private Types