diff options
| author | Hugh Dickins <hugh@veritas.com> | 2005-03-13 00:21:15 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-03-13 00:21:15 -0800 |
| commit | 772bb69313ec9939720bbee9681cda32f71a33b9 (patch) | |
| tree | 4a7203bcace741c96c65ca9f14dd0a99966a0b62 /include/asm-generic/pgtable.h | |
| parent | f71513bf9a2ea83fcd2e2c985884a6ab806d24fd (diff) | |
[PATCH] ptwalk: pud and pmd folded
Nick Piggin's patch to fold away most of the pud and pmd levels when not
required. Adjusted to define minimal pud_addr_end (in the 4LEVEL_HACK
case too) and pmd_addr_end. Responsible for half of the savings.
Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-generic/pgtable.h')
| -rw-r--r-- | include/asm-generic/pgtable.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h index 20f401dcffda..60148466d023 100644 --- a/include/asm-generic/pgtable.h +++ b/include/asm-generic/pgtable.h @@ -146,15 +146,19 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addres (__boundary - 1 < (end) - 1)? __boundary: (end); \ }) +#ifndef pud_addr_end #define pud_addr_end(addr, end) \ ({ unsigned long __boundary = ((addr) + PUD_SIZE) & PUD_MASK; \ (__boundary - 1 < (end) - 1)? __boundary: (end); \ }) +#endif +#ifndef pmd_addr_end #define pmd_addr_end(addr, end) \ ({ unsigned long __boundary = ((addr) + PMD_SIZE) & PMD_MASK; \ (__boundary - 1 < (end) - 1)? __boundary: (end); \ }) +#endif #ifndef __ASSEMBLY__ /* |