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[SPARC32]: Make PAGE_SHARED a read-mostly variable.

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same scheme as for sparc64, same rationale

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Al Viro
2007-07-21 19:20:34 -07:00
committed by David S. Miller
parent 0f516813ce
commit 378e515c86
4 changed files with 6 additions and 4 deletions
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include/asm-sparc/pgtable.h
+1 -2
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@@ -46,7 +46,6 @@ BTFIXUPDEF_SIMM13(user_ptrs_per_pgd)
#define pgd_ERROR(e) __builtin_trap()
BTFIXUPDEF_INT(page_none)
BTFIXUPDEF_INT(page_shared)
BTFIXUPDEF_INT(page_copy)
BTFIXUPDEF_INT(page_readonly)
BTFIXUPDEF_INT(page_kernel)
@@ -66,7 +65,7 @@ BTFIXUPDEF_INT(page_kernel)
#define PTE_SIZE (PTRS_PER_PTE*4)
#define PAGE_NONE __pgprot(BTFIXUP_INT(page_none))
#define PAGE_SHARED __pgprot(BTFIXUP_INT(page_shared))
extern pgprot_t PAGE_SHARED;
#define PAGE_COPY __pgprot(BTFIXUP_INT(page_copy))
#define PAGE_READONLY __pgprot(BTFIXUP_INT(page_readonly))