diff options
author | Ralf Baechle <ralf@linux-mips.org> | 2007-08-01 10:25:28 -0400 |
---|---|---|
committer | Ralf Baechle <ralf@linux-mips.org> | 2007-08-26 21:16:48 -0400 |
commit | 5ff974720abec255c17af6f3732dd410d364e367 (patch) | |
tree | 8656406ff66bd84058eddb8bbd1d7e5473985a43 /include/asm-mips/pgtable.h | |
parent | 4c8081e4696c7afc61930e4a49a6fa55c545b7e0 (diff) |
[MIPS] Fix computation of {PGD,PMD,PTE}_T_LOG2.
For the generation of asm-offset.h to work these need to be evaulatable
by gcc as a constant expression. This issue did exist for a while but
didn't bite because they're only in asm-offset.h for debugging purposes.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'include/asm-mips/pgtable.h')
-rw-r--r-- | include/asm-mips/pgtable.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/include/asm-mips/pgtable.h b/include/asm-mips/pgtable.h index 2e2d70d13ff6..e2fb9dbac3fc 100644 --- a/include/asm-mips/pgtable.h +++ b/include/asm-mips/pgtable.h | |||
@@ -168,9 +168,9 @@ static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *pt | |||
168 | #define set_pud(pudptr, pudval) do { *(pudptr) = (pudval); } while(0) | 168 | #define set_pud(pudptr, pudval) do { *(pudptr) = (pudval); } while(0) |
169 | #endif | 169 | #endif |
170 | 170 | ||
171 | #define PGD_T_LOG2 ffz(~sizeof(pgd_t)) | 171 | #define PGD_T_LOG2 (__builtin_ffs(sizeof(pgd_t)) - 1) |
172 | #define PMD_T_LOG2 ffz(~sizeof(pmd_t)) | 172 | #define PMD_T_LOG2 (__builtin_ffs(sizeof(pmd_t)) - 1) |
173 | #define PTE_T_LOG2 ffz(~sizeof(pte_t)) | 173 | #define PTE_T_LOG2 (__builtin_ffs(sizeof(pte_t)) - 1) |
174 | 174 | ||
175 | extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; | 175 | extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; |
176 | 176 | ||