diff options
Diffstat (limited to 'include/linux/pgtable.h')
| -rw-r--r-- | include/linux/pgtable.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index 2b0d02291178..69700e3e615f 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -29,6 +29,15 @@ #endif /* + * This defines the first usable user address. Platforms + * can override its value with custom FIRST_USER_ADDRESS + * defined in their respective <asm/pgtable.h>. + */ +#ifndef FIRST_USER_ADDRESS +#define FIRST_USER_ADDRESS 0UL +#endif + +/* * A page table page can be thought of an array like this: pXd_t[PTRS_PER_PxD] * * The pXx_index() functions return the index of the entry in the page |