diff options
Diffstat (limited to 'mm')
-rw-r--r-- | mm/gup.c | 52 | ||||
-rw-r--r-- | mm/nommu.c | 44 |
2 files changed, 14 insertions, 82 deletions
@@ -1,4 +1,3 @@ -#define __DISABLE_GUP_DEPRECATED 1 #include <linux/kernel.h> #include <linux/errno.h> #include <linux/err.h> @@ -839,7 +838,7 @@ static __always_inline long __get_user_pages_locked(struct task_struct *tsk, * if (locked) * up_read(&mm->mmap_sem); */ -long get_user_pages_locked6(unsigned long start, unsigned long nr_pages, +long get_user_pages_locked(unsigned long start, unsigned long nr_pages, int write, int force, struct page **pages, int *locked) { @@ -847,7 +846,7 @@ long get_user_pages_locked6(unsigned long start, unsigned long nr_pages, write, force, pages, NULL, locked, true, FOLL_TOUCH); } -EXPORT_SYMBOL(get_user_pages_locked6); +EXPORT_SYMBOL(get_user_pages_locked); /* * Same as get_user_pages_unlocked(...., FOLL_TOUCH) but it allows to @@ -892,13 +891,13 @@ EXPORT_SYMBOL(__get_user_pages_unlocked); * or if "force" shall be set to 1 (get_user_pages_fast misses the * "force" parameter). */ -long get_user_pages_unlocked5(unsigned long start, unsigned long nr_pages, +long get_user_pages_unlocked(unsigned long start, unsigned long nr_pages, int write, int force, struct page **pages) { return __get_user_pages_unlocked(current, current->mm, start, nr_pages, write, force, pages, FOLL_TOUCH); } -EXPORT_SYMBOL(get_user_pages_unlocked5); +EXPORT_SYMBOL(get_user_pages_unlocked); /* * get_user_pages_remote() - pin user pages in memory @@ -972,7 +971,7 @@ EXPORT_SYMBOL(get_user_pages_remote); * and mm being operated on are the current task's. We also * obviously don't pass FOLL_REMOTE in here. */ -long get_user_pages6(unsigned long start, unsigned long nr_pages, +long get_user_pages(unsigned long start, unsigned long nr_pages, int write, int force, struct page **pages, struct vm_area_struct **vmas) { @@ -980,7 +979,7 @@ long get_user_pages6(unsigned long start, unsigned long nr_pages, write, force, pages, vmas, NULL, false, FOLL_TOUCH); } -EXPORT_SYMBOL(get_user_pages6); +EXPORT_SYMBOL(get_user_pages); /** * populate_vma_page_range() - populate a range of pages in the vma. @@ -1491,7 +1490,6 @@ int __get_user_pages_fast(unsigned long start, int nr_pages, int write, int get_user_pages_fast(unsigned long start, int nr_pages, int write, struct page **pages) { - struct mm_struct *mm = current->mm; int nr, ret; start &= PAGE_MASK; @@ -1503,8 +1501,7 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write, start += nr << PAGE_SHIFT; pages += nr; - ret = get_user_pages_unlocked(current, mm, start, - nr_pages - nr, write, 0, pages); + ret = get_user_pages_unlocked(start, nr_pages - nr, write, 0, pages); /* Have to be a bit careful with return values */ if (nr > 0) { @@ -1519,38 +1516,3 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write, } #endif /* CONFIG_HAVE_GENERIC_RCU_GUP */ - -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) -{ - WARN_ONCE(tsk != current, "get_user_pages() called on remote task"); - WARN_ONCE(mm != current->mm, "get_user_pages() called on remote mm"); - - 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) -{ - WARN_ONCE(tsk != current, "get_user_pages_locked() called on remote task"); - WARN_ONCE(mm != current->mm, "get_user_pages_locked() called on remote mm"); - - 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) -{ - WARN_ONCE(tsk != current, "get_user_pages_unlocked() called on remote task"); - WARN_ONCE(mm != current->mm, "get_user_pages_unlocked() called on remote mm"); - - return get_user_pages_unlocked5(start, nr_pages, write, force, pages); -} -EXPORT_SYMBOL(get_user_pages_unlocked7); - diff --git a/mm/nommu.c b/mm/nommu.c index de8b6b6580c1..bf94913dbbb6 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -15,8 +15,6 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt -#define __DISABLE_GUP_DEPRECATED - #include <linux/export.h> #include <linux/mm.h> #include <linux/vmacache.h> @@ -161,7 +159,7 @@ 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_pages6(unsigned long start, unsigned long nr_pages, +long get_user_pages(unsigned long start, unsigned long nr_pages, int write, int force, struct page **pages, struct vm_area_struct **vmas) { @@ -175,15 +173,15 @@ long get_user_pages6(unsigned long start, unsigned long nr_pages, return __get_user_pages(current, current->mm, start, nr_pages, flags, pages, vmas, NULL); } -EXPORT_SYMBOL(get_user_pages6); +EXPORT_SYMBOL(get_user_pages); -long get_user_pages_locked6(unsigned long start, unsigned long nr_pages, +long get_user_pages_locked(unsigned long start, unsigned long nr_pages, int write, int force, struct page **pages, int *locked) { - return get_user_pages6(start, nr_pages, write, force, pages, NULL); + return get_user_pages(start, nr_pages, write, force, pages, NULL); } -EXPORT_SYMBOL(get_user_pages_locked6); +EXPORT_SYMBOL(get_user_pages_locked); long __get_user_pages_unlocked(struct task_struct *tsk, struct mm_struct *mm, unsigned long start, unsigned long nr_pages, @@ -199,13 +197,13 @@ long __get_user_pages_unlocked(struct task_struct *tsk, struct mm_struct *mm, } EXPORT_SYMBOL(__get_user_pages_unlocked); -long get_user_pages_unlocked5(unsigned long start, unsigned long nr_pages, +long get_user_pages_unlocked(unsigned long start, unsigned long nr_pages, int write, int force, struct page **pages) { return __get_user_pages_unlocked(current, current->mm, start, nr_pages, write, force, pages, 0); } -EXPORT_SYMBOL(get_user_pages_unlocked5); +EXPORT_SYMBOL(get_user_pages_unlocked); /** * follow_pfn - look up PFN at a user virtual address @@ -1989,31 +1987,3 @@ 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); - |