[tip:x86/mm] x86/headers: Simplify asm/fixmap.h inclusion into asm/pgtable*.h

[tip-bot for Thomas Garnier]

Commit-ID:  ef37bc361442545a5be3c56c49a08c3153032127
Gitweb:     http://git.kernel.org/tip/ef37bc361442545a5be3c56c49a08c3153032127
Author:     Thomas Garnier <thgarnie@xxxxxxxxxx>
AuthorDate: Tue, 21 Mar 2017 08:17:25 +0100
Committer:  Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Tue, 21 Mar 2017 08:21:17 +0100

x86/headers: Simplify asm/fixmap.h inclusion into asm/pgtable*.h

Instead of including fixmap.h twice in pgtable_32.h and pgtable_64.h,
include it only once, in the common asm/pgtable.h header.

Signed-off-by: Thomas Garnier <thgarnie@xxxxxxxxxx>
Cc: Alexander Potapenko <glider@xxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxx>
Cc: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxx>
Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Xiao Guangrong <guangrong.xiao@xxxxxxxxxxxxxxx>
Cc: kasan-dev@xxxxxxxxxxxxxxxx
Cc: kernel-hardening@xxxxxxxxxxxxxxxxxx
Cc: linux-mm@xxxxxxxxx
Cc: richard.weiyang@xxxxxxxxx
Cc: zijun_hu <zijun_hu@xxxxxxx>
Link: http://lkml.kernel.org/r/20170321071725.GA15782@xxxxxxxxx
[ Generated this patch from two other patches and wrote changelog. ]
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 arch/x86/include/asm/pgtable.h    | 1 +
 arch/x86/include/asm/pgtable_32.h | 1 -
 arch/x86/include/asm/pgtable_64.h | 1 -
 3 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 160256b..18a6f54 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -603,6 +603,7 @@ pte_t *populate_extra_pte(unsigned long vaddr);
 #include <linux/mm_types.h>
 #include <linux/mmdebug.h>
 #include <linux/log2.h>
+#include <asm/fixmap.h>
 
 static inline int pte_none(pte_t pte)
 {
diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h
index fbc7336..bfab5567 100644
--- a/arch/x86/include/asm/pgtable_32.h
+++ b/arch/x86/include/asm/pgtable_32.h
@@ -14,7 +14,6 @@
  */
 #ifndef __ASSEMBLY__
 #include <asm/processor.h>
-#include <asm/fixmap.h>
 #include <linux/threads.h>
 #include <asm/paravirt.h>
 
diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
index 13709cf..1a4bc71 100644
--- a/arch/x86/include/asm/pgtable_64.h
+++ b/arch/x86/include/asm/pgtable_64.h
@@ -13,7 +13,6 @@
 #include <asm/processor.h>
 #include <linux/bitops.h>
 #include <linux/threads.h>
-#include <asm/fixmap.h>
 
 extern pud_t level3_kernel_pgt[512];
 extern pud_t level3_ident_pgt[512];