diff options
Diffstat (limited to 'mm/nommu.c')
| -rw-r--r-- | mm/nommu.c | 64 |
1 files changed, 45 insertions, 19 deletions
diff --git a/mm/nommu.c b/mm/nommu.c index fbf6f0f1d6c9..b64d04d19702 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -15,6 +15,8 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt +#define __DISABLE_GUP_DEPRECATED + #include <linux/export.h> #include <linux/mm.h> #include <linux/vmacache.h> @@ -182,8 +184,7 @@ finish_or_fault: * slab page or a secondary page from a compound page * - don't permit access to VMAs that don't support it, such as I/O mappings */ -long get_user_pages(struct task_struct *tsk, struct mm_struct *mm, - unsigned long start, unsigned long nr_pages, +long get_user_pages6(unsigned long start, unsigned long nr_pages, int write, int force, struct page **pages, struct vm_area_struct **vmas) { @@ -194,20 +195,18 @@ long get_user_pages(struct task_struct *tsk, struct mm_struct *mm, if (force) flags |= FOLL_FORCE; - return __get_user_pages(tsk, mm, start, nr_pages, flags, pages, vmas, - NULL); + return __get_user_pages(current, current->mm, start, nr_pages, flags, + pages, vmas, NULL); } -EXPORT_SYMBOL(get_user_pages); +EXPORT_SYMBOL(get_user_pages6); -long get_user_pages_locked(struct task_struct *tsk, struct mm_struct *mm, - unsigned long start, unsigned long nr_pages, - int write, int force, struct page **pages, - int *locked) +long get_user_pages_locked6(unsigned long start, unsigned long nr_pages, + int write, int force, struct page **pages, + int *locked) { - return get_user_pages(tsk, mm, start, nr_pages, write, force, - pages, NULL); + return get_user_pages6(start, nr_pages, write, force, pages, NULL); } -EXPORT_SYMBOL(get_user_pages_locked); +EXPORT_SYMBOL(get_user_pages_locked6); long __get_user_pages_unlocked(struct task_struct *tsk, struct mm_struct *mm, unsigned long start, unsigned long nr_pages, @@ -216,21 +215,20 @@ long __get_user_pages_unlocked(struct task_struct *tsk, struct mm_struct *mm, { long ret; down_read(&mm->mmap_sem); - ret = get_user_pages(tsk, mm, start, nr_pages, write, force, - pages, NULL); + ret = __get_user_pages(tsk, mm, start, nr_pages, gup_flags, pages, + NULL, NULL); up_read(&mm->mmap_sem); return ret; } EXPORT_SYMBOL(__get_user_pages_unlocked); -long get_user_pages_unlocked(struct task_struct *tsk, struct mm_struct *mm, - unsigned long start, unsigned long nr_pages, +long get_user_pages_unlocked5(unsigned long start, unsigned long nr_pages, int write, int force, struct page **pages) { - return __get_user_pages_unlocked(tsk, mm, start, nr_pages, write, - force, pages, 0); + return __get_user_pages_unlocked(current, current->mm, start, nr_pages, + write, force, pages, 0); } -EXPORT_SYMBOL(get_user_pages_unlocked); +EXPORT_SYMBOL(get_user_pages_unlocked5); /** * follow_pfn - look up PFN at a user virtual address @@ -2108,3 +2106,31 @@ static int __meminit init_admin_reserve(void) return 0; } subsys_initcall(init_admin_reserve); + +long get_user_pages8(struct task_struct *tsk, struct mm_struct *mm, + unsigned long start, unsigned long nr_pages, + int write, int force, struct page **pages, + struct vm_area_struct **vmas) +{ + return get_user_pages6(start, nr_pages, write, force, pages, vmas); +} +EXPORT_SYMBOL(get_user_pages8); + +long get_user_pages_locked8(struct task_struct *tsk, struct mm_struct *mm, + unsigned long start, unsigned long nr_pages, + int write, int force, struct page **pages, + int *locked) +{ + return get_user_pages_locked6(start, nr_pages, write, + force, pages, locked); +} +EXPORT_SYMBOL(get_user_pages_locked8); + +long get_user_pages_unlocked7(struct task_struct *tsk, struct mm_struct *mm, + unsigned long start, unsigned long nr_pages, + int write, int force, struct page **pages) +{ + return get_user_pages_unlocked5(start, nr_pages, write, force, pages); +} +EXPORT_SYMBOL(get_user_pages_unlocked7); + |