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| author | Andy Lutomirski <luto@kernel.org> | 2016-01-19 13:38:59 -0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-01-20 11:39:14 +0100 |
| commit | 7c360572b430a0e9757bafc0c20f26c920f2a07f (patch) | |
| tree | 09a56bf4c4b82581657e5309d11a8fca27233376 /arch | |
| parent | 320d25b6a05f8b73c23fc21025d2906ecdd2d4fc (diff) | |
| download | linux-7c360572b430a0e9757bafc0c20f26c920f2a07f.tar.gz linux-7c360572b430a0e9757bafc0c20f26c920f2a07f.tar.bz2 linux-7c360572b430a0e9757bafc0c20f26c920f2a07f.zip | |
x86/mm: Make kmap_prot into a #define
The value (once we initialize it) is a foregone conclusion.
Make it a #define to save a tiny amount of text and data size
and to make it more comprehensible.
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephen Smalley <sds@tycho.nsa.gov>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/0850eb0213de9da88544ff7fae72dc6d06d2b441.1453239349.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/include/asm/fixmap.h | 2 | ||||
| -rw-r--r-- | arch/x86/mm/init_32.c | 3 |
2 files changed, 1 insertions, 4 deletions
diff --git a/arch/x86/include/asm/fixmap.h b/arch/x86/include/asm/fixmap.h index 6d7d0e52ed5a..8554f960e21b 100644 --- a/arch/x86/include/asm/fixmap.h +++ b/arch/x86/include/asm/fixmap.h @@ -138,7 +138,7 @@ extern void reserve_top_address(unsigned long reserve); extern int fixmaps_set; extern pte_t *kmap_pte; -extern pgprot_t kmap_prot; +#define kmap_prot PAGE_KERNEL extern pte_t *pkmap_page_table; void __native_set_fixmap(enum fixed_addresses idx, pte_t pte); diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index cb4ef3de61f9..a4bb1c7ab65e 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -388,7 +388,6 @@ repeat: } pte_t *kmap_pte; -pgprot_t kmap_prot; static inline pte_t *kmap_get_fixmap_pte(unsigned long vaddr) { @@ -405,8 +404,6 @@ static void __init kmap_init(void) */ kmap_vstart = __fix_to_virt(FIX_KMAP_BEGIN); kmap_pte = kmap_get_fixmap_pte(kmap_vstart); - - kmap_prot = PAGE_KERNEL; } #ifdef CONFIG_HIGHMEM |