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From: Jiri Kosina <>
To: Thomas Gleixner <>,
	Ingo Molnar <>,
	"Kirill A. Shutemov" <>
Subject: [PATCH] x86/mm: vmemmap and vmalloc base addressess are usngined longs
Date: Thu, 12 Apr 2018 14:39:10 +0200 (CEST)	[thread overview]
Message-ID: <> (raw)

From: Jiri Kosina <>

Commits 9b46a051e4 ("x86/mm: Initialize vmemmap_base at boot-time") and 
a7412546d8 ("x86/mm: Adjust vmalloc base and size at boot-time") lost the 
type information for __VMALLOC_BASE_L4, __VMALLOC_BASE_L5, 
__VMEMMAP_BASE_L4 and __VMEMMAP_BASE_L5 constants.

Let's declare them explicitly unsigned long again.

Fixes: 9b46a051e4 ("x86/mm: Initialize vmemmap_base at boot-time")
Fixes: a7412546d8 ("x86/mm: Adjust vmalloc base and size at boot-time")
Signed-off-by: Jiri Kosina <>
 arch/x86/include/asm/pgtable_64_types.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/x86/include/asm/pgtable_64_types.h b/arch/x86/include/asm/pgtable_64_types.h
index d5c21a3..adb4755 100644
--- a/arch/x86/include/asm/pgtable_64_types.h
+++ b/arch/x86/include/asm/pgtable_64_types.h
@@ -105,14 +105,14 @@
 #define LDT_PGD_ENTRY		(pgtable_l5_enabled ? LDT_PGD_ENTRY_L5 : LDT_PGD_ENTRY_L4)
-#define __VMALLOC_BASE_L4	0xffffc90000000000
-#define __VMALLOC_BASE_L5 	0xffa0000000000000
+#define __VMALLOC_BASE_L4	0xffffc90000000000UL
+#define __VMALLOC_BASE_L5 	0xffa0000000000000UL
 #define VMALLOC_SIZE_TB_L4	32UL
 #define VMALLOC_SIZE_TB_L5	12800UL
-#define __VMEMMAP_BASE_L4	0xffffea0000000000
-#define __VMEMMAP_BASE_L5	0xffd4000000000000
+#define __VMEMMAP_BASE_L4	0xffffea0000000000UL
+#define __VMEMMAP_BASE_L5	0xffd4000000000000UL
 # define VMALLOC_START		vmalloc_base

Jiri Kosina

             reply	other threads:[~2018-04-12 12:39 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-12 12:39 Jiri Kosina [this message]
2018-04-12 14:28 ` Kirill A. Shutemov
2018-04-16  9:43   ` Jiri Kosina
2018-04-16  9:46     ` Kirill A. Shutemov
2018-04-19  6:35       ` Jiri Kosina
2018-04-26 12:16       ` Jiri Kosina
2018-04-26 12:50         ` Thomas Gleixner
2018-04-16 11:57     ` Luc Van Oostenryck
2018-04-26 13:00 ` [tip:x86/urgent] x86/mm: Make vmemmap and vmalloc base address constants unsigned long tip-bot for Jiri Kosina

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