diff options
Diffstat (limited to 'include/asm-arm26/pgtable.h')
| -rw-r--r-- | include/asm-arm26/pgtable.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/asm-arm26/pgtable.h b/include/asm-arm26/pgtable.h index af0b8907dc1..4a0a00da425 100644 --- a/include/asm-arm26/pgtable.h +++ b/include/asm-arm26/pgtable.h @@ -62,6 +62,13 @@ #define PTRS_PER_PMD 1 #define PTRS_PER_PTE 32 +/* + * This is the lowest virtual address we can permit any user space + * mapping to be mapped at. This is particularly important for + * non-high vector CPUs. + */ +#define FIRST_USER_ADDRESS PAGE_SIZE + #define FIRST_USER_PGD_NR 1 #define USER_PTRS_PER_PGD ((TASK_SIZE/PGD_SIZE) - FIRST_USER_PGD_NR) |