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authorPekka Enberg <penberg@cs.helsinki.fi>2009-04-28 09:00:49 -0400
committerIngo Molnar <mingo@elte.hu>2009-04-30 04:12:36 -0400
commit2b72394e4089643f11669d9610907a1442fe044a (patch)
tree406aba50f5cf070f77e4bc4eb84329e45454b1ca /arch
parent89388913f2c88a2cd15d24abab571b17a2596127 (diff)
x86: move max_pfn_mapped and max_low_pfn_mapped to setup.c
This patch moves the max_pfn_mapped and max_low_pfn_mapped global variables to kernel/setup.c where they're initialized. [ Impact: cleanup ] Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> LKML-Reference: <1240923649.1982.21.camel@penberg-laptop> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/setup.c8
-rw-r--r--arch/x86/mm/init_32.c4
-rw-r--r--arch/x86/mm/init_64.c8
3 files changed, 9 insertions, 11 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index b4158439bf63..0d77e56e821b 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -112,6 +112,14 @@
112#define ARCH_SETUP 112#define ARCH_SETUP
113#endif 113#endif
114 114
115/*
116 * end_pfn only includes RAM, while max_pfn_mapped includes all e820 entries.
117 * The direct mapping extends to max_pfn_mapped, so that we can directly access
118 * apertures, ACPI and other tables without having to play with fixmaps.
119 */
120unsigned long max_low_pfn_mapped;
121unsigned long max_pfn_mapped;
122
115RESERVE_BRK(dmi_alloc, 65536); 123RESERVE_BRK(dmi_alloc, 65536);
116 124
117unsigned int boot_cpu_id __read_mostly; 125unsigned int boot_cpu_id __read_mostly;
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 2b27120665b3..a640a7f04905 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -49,11 +49,9 @@
49#include <asm/paravirt.h> 49#include <asm/paravirt.h>
50#include <asm/setup.h> 50#include <asm/setup.h>
51#include <asm/cacheflush.h> 51#include <asm/cacheflush.h>
52#include <asm/page_types.h>
52#include <asm/init.h> 53#include <asm/init.h>
53 54
54unsigned long max_low_pfn_mapped;
55unsigned long max_pfn_mapped;
56
57DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); 55DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
58unsigned long highstart_pfn, highend_pfn; 56unsigned long highstart_pfn, highend_pfn;
59 57
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index a4e7846efb1a..1016ea015932 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -50,14 +50,6 @@
50#include <asm/cacheflush.h> 50#include <asm/cacheflush.h>
51#include <asm/init.h> 51#include <asm/init.h>
52 52
53/*
54 * end_pfn only includes RAM, while max_pfn_mapped includes all e820 entries.
55 * The direct mapping extends to max_pfn_mapped, so that we can directly access
56 * apertures, ACPI and other tables without having to play with fixmaps.
57 */
58unsigned long max_low_pfn_mapped;
59unsigned long max_pfn_mapped;
60
61static unsigned long dma_reserve __initdata; 53static unsigned long dma_reserve __initdata;
62 54
63DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); 55DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);