From 244b2c5ca8b14627e4a17755e5922221e121c771 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 09 Oct 2024 06:15:07 +0000
Subject: [PATCH] change system file

---
 kernel/mm/highmem.c |   13 +++++--------
 1 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/kernel/mm/highmem.c b/kernel/mm/highmem.c
index 22aa3dd..1352a27 100644
--- a/kernel/mm/highmem.c
+++ b/kernel/mm/highmem.c
@@ -29,11 +29,10 @@
 #include <linux/highmem.h>
 #include <linux/kgdb.h>
 #include <asm/tlbflush.h>
+#include <linux/vmalloc.h>
 
-#ifndef CONFIG_PREEMPT_RT_FULL
 #if defined(CONFIG_HIGHMEM) || defined(CONFIG_X86_32)
 DEFINE_PER_CPU(int, __kmap_atomic_idx);
-#endif
 #endif
 
 /*
@@ -106,12 +105,10 @@
 }
 #endif
 
-unsigned long totalhigh_pages __read_mostly;
-EXPORT_SYMBOL(totalhigh_pages);
+atomic_long_t _totalhigh_pages __read_mostly;
+EXPORT_SYMBOL(_totalhigh_pages);
 
-#ifndef CONFIG_PREEMPT_RT_FULL
 EXPORT_PER_CPU_SYMBOL(__kmap_atomic_idx);
-#endif
 
 unsigned int nr_free_highpages (void)
 {
@@ -372,7 +369,7 @@
 }
 
 EXPORT_SYMBOL(kunmap_high);
-#endif
+#endif	/* CONFIG_HIGHMEM */
 
 #if defined(HASHED_PAGE_VIRTUAL)
 
@@ -484,4 +481,4 @@
 	}
 }
 
-#endif	/* defined(CONFIG_HIGHMEM) && !defined(WANT_PAGE_VIRTUAL) */
+#endif	/* defined(HASHED_PAGE_VIRTUAL) */

--
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