diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/pgtable.h | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index 827dca25c0bc..21b67d937555 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -23,25 +23,6 @@ #endif /* - * On almost all architectures and configurations, 0 can be used as the - * upper ceiling to free_pgtables(): on many architectures it has the same - * effect as using TASK_SIZE. However, there is one configuration which - * must impose a more careful limit, to avoid freeing kernel pgtables. - */ -#ifndef USER_PGTABLES_CEILING -#define USER_PGTABLES_CEILING 0UL -#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 - -/* * This defines the generic helper for accessing PMD page * table page. Although platforms can still override this * via their respective <asm/pgtable.h>. @@ -1630,6 +1611,25 @@ void arch_sync_kernel_mappings(unsigned long start, unsigned long end); #endif /* CONFIG_MMU */ /* + * On almost all architectures and configurations, 0 can be used as the + * upper ceiling to free_pgtables(): on many architectures it has the same + * effect as using TASK_SIZE. However, there is one configuration which + * must impose a more careful limit, to avoid freeing kernel pgtables. + */ +#ifndef USER_PGTABLES_CEILING +#define USER_PGTABLES_CEILING 0UL +#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 + +/* * No-op macros that just return the current protection value. Defined here * because these macros can be used even if CONFIG_MMU is not defined. */ |