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sh: Provide a dummy _PAGE_WIRED flag for non-X2TLB parts.

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This provides a dummy value for legacy parts which permits the entry
wiring to be open-coded. The compiler takes care of optimizing the entry
wiring away in these cases.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2010-01-19 14:23:39 +09:00
parent 6d63e73d52
commit 046581f962
1 changed files with 2 additions and 2 deletions
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4
arch/sh/include/asm/pgtable_32.h
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@ -143,12 +143,14 @@ static inline unsigned long copy_ptea_attributes(unsigned long x)
# elif defined(CONFIG_HUGETLB_PAGE_SIZE_64MB)
# define _PAGE_SZHUGE (_PAGE_EXT_ESZ2 | _PAGE_EXT_ESZ3)
# endif
# define _PAGE_WIRED (_PAGE_EXT(_PAGE_EXT_WIRED))
#else
# if defined(CONFIG_HUGETLB_PAGE_SIZE_64K)
# define _PAGE_SZHUGE (_PAGE_SZ1)
# elif defined(CONFIG_HUGETLB_PAGE_SIZE_1MB)
# define _PAGE_SZHUGE (_PAGE_SZ0 | _PAGE_SZ1)
# endif
# define _PAGE_WIRED (0)
#endif
/*
@ -166,8 +168,6 @@ static inline unsigned long copy_ptea_attributes(unsigned long x)
(PTE_MASK | _PAGE_ACCESSED | _PAGE_CACHABLE | \
_PAGE_DIRTY | _PAGE_SPECIAL)
#define _PAGE_WIRED (_PAGE_EXT(_PAGE_EXT_WIRED))
#ifndef __ASSEMBLY__
#if defined(CONFIG_X2TLB) /* SH-X2 TLB */