diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/hugetlb.c | 12 | ||||
| -rw-r--r-- | mm/memory.c | 18 | ||||
| -rw-r--r-- | mm/mlock.c | 4 | ||||
| -rw-r--r-- | mm/nommu.c | 15 |
4 files changed, 25 insertions, 24 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index e14a8c7..cdb64e4 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -2920,14 +2920,14 @@ follow_huge_pud(struct mm_struct *mm, unsigned long address, return NULL; } -int follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma, - struct page **pages, struct vm_area_struct **vmas, - unsigned long *position, int *length, int i, - unsigned int flags) +long follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma, + struct page **pages, struct vm_area_struct **vmas, + unsigned long *position, unsigned long *nr_pages, + long i, unsigned int flags) { unsigned long pfn_offset; unsigned long vaddr = *position; - int remainder = *length; + unsigned long remainder = *nr_pages; struct hstate *h = hstate_vma(vma); spin_lock(&mm->page_table_lock); @@ -2997,7 +2997,7 @@ same_page: } } spin_unlock(&mm->page_table_lock); - *length = remainder; + *nr_pages = remainder; *position = vaddr; return i ? i : -EFAULT; diff --git a/mm/memory.c b/mm/memory.c index 7bd22a6..bc929db 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -1677,15 +1677,15 @@ static inline int stack_guard_page(struct vm_area_struct *vma, unsigned long add * instead of __get_user_pages. __get_user_pages should be used only if * you need some special @gup_flags. */ -int __get_user_pages(struct task_struct *tsk, struct mm_struct *mm, - unsigned long start, int nr_pages, unsigned int gup_flags, - struct page **pages, struct vm_area_struct **vmas, - int *nonblocking) +long __get_user_pages(struct task_struct *tsk, struct mm_struct *mm, + unsigned long start, unsigned long nr_pages, + unsigned int gup_flags, struct page **pages, + struct vm_area_struct **vmas, int *nonblocking) { - int i; + long i; unsigned long vm_flags; - if (nr_pages <= 0) + if (!nr_pages) return 0; VM_BUG_ON(!!pages != !!(gup_flags & FOLL_GET)); @@ -1981,9 +1981,9 @@ int fixup_user_fault(struct task_struct *tsk, struct mm_struct *mm, * * See also get_user_pages_fast, for performance critical applications. */ -int get_user_pages(struct task_struct *tsk, struct mm_struct *mm, - unsigned long start, int nr_pages, int write, int force, - struct page **pages, struct vm_area_struct **vmas) +long get_user_pages(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) { int flags = FOLL_TOUCH; @@ -160,7 +160,7 @@ long __mlock_vma_pages_range(struct vm_area_struct *vma, { struct mm_struct *mm = vma->vm_mm; unsigned long addr = start; - int nr_pages = (end - start) / PAGE_SIZE; + unsigned long nr_pages = (end - start) / PAGE_SIZE; int gup_flags; VM_BUG_ON(start & ~PAGE_MASK); @@ -382,7 +382,7 @@ int __mm_populate(unsigned long start, unsigned long len, int ignore_errors) unsigned long end, nstart, nend; struct vm_area_struct *vma = NULL; int locked = 0; - int ret = 0; + long ret = 0; VM_BUG_ON(start & ~PAGE_MASK); VM_BUG_ON(len != PAGE_ALIGN(len)); @@ -140,10 +140,10 @@ unsigned int kobjsize(const void *objp) return PAGE_SIZE << compound_order(page); } -int __get_user_pages(struct task_struct *tsk, struct mm_struct *mm, - unsigned long start, int nr_pages, unsigned int foll_flags, - struct page **pages, struct vm_area_struct **vmas, - int *retry) +long __get_user_pages(struct task_struct *tsk, struct mm_struct *mm, + unsigned long start, unsigned long nr_pages, + unsigned int foll_flags, struct page **pages, + struct vm_area_struct **vmas, int *nonblocking) { struct vm_area_struct *vma; unsigned long vm_flags; @@ -190,9 +190,10 @@ 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 */ -int get_user_pages(struct task_struct *tsk, struct mm_struct *mm, - unsigned long start, int nr_pages, int write, int force, - struct page **pages, struct vm_area_struct **vmas) +long get_user_pages(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) { int flags = 0; |
