diff options
Diffstat (limited to 'include/asm-um')
| -rw-r--r-- | include/asm-um/pgtable.h | 18 | ||||
| -rw-r--r-- | include/asm-um/thread_info.h | 15 |
2 files changed, 13 insertions, 20 deletions
diff --git a/include/asm-um/pgtable.h b/include/asm-um/pgtable.h index 1b1090a91a5..830fc6e5d49 100644 --- a/include/asm-um/pgtable.h +++ b/include/asm-um/pgtable.h @@ -175,12 +175,6 @@ static inline int pte_none(pte_t pte) * The following only work if pte_present() is true. * Undefined behaviour if not.. */ -static inline int pte_user(pte_t pte) -{ - return((pte_get_bits(pte, _PAGE_USER)) && - !(pte_get_bits(pte, _PAGE_PROTNONE))); -} - static inline int pte_read(pte_t pte) { return((pte_get_bits(pte, _PAGE_USER)) && @@ -238,18 +232,6 @@ static inline pte_t pte_mknewprot(pte_t pte) return(pte); } -static inline pte_t pte_rdprotect(pte_t pte) -{ - pte_clear_bits(pte, _PAGE_USER); - return(pte_mknewprot(pte)); -} - -static inline pte_t pte_exprotect(pte_t pte) -{ - pte_clear_bits(pte, _PAGE_USER); - return(pte_mknewprot(pte)); -} - static inline pte_t pte_mkclean(pte_t pte) { pte_clear_bits(pte, _PAGE_DIRTY); diff --git a/include/asm-um/thread_info.h b/include/asm-um/thread_info.h index 18a13ba7460..6e5fd5c892d 100644 --- a/include/asm-um/thread_info.h +++ b/include/asm-um/thread_info.h @@ -52,10 +52,21 @@ static inline struct thread_info *current_thread_info(void) return ti; } +#ifdef CONFIG_DEBUG_STACK_USAGE + +#define alloc_thread_info(tsk) \ + ((struct thread_info *) __get_free_pages(GFP_KERNEL | __GFP_ZERO, \ + CONFIG_KERNEL_STACK_ORDER)) +#else + /* thread information allocation */ #define alloc_thread_info(tsk) \ - ((struct thread_info *) kmalloc(THREAD_SIZE, GFP_KERNEL)) -#define free_thread_info(ti) kfree(ti) + ((struct thread_info *) __get_free_pages(GFP_KERNEL, \ + CONFIG_KERNEL_STACK_ORDER)) +#endif + +#define free_thread_info(ti) \ + free_pages((unsigned long)(ti),CONFIG_KERNEL_STACK_ORDER) #endif |