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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