*/
#include <linux/pagemap.h>
#include <linux/gfp.h>
-#include <linux/mm.h>
+#include <linux/pagewalk.h>
#include <linux/mman.h>
#include <linux/syscalls.h>
#include <linux/swap.h>
inode_permission(file_inode(vma->vm_file), MAY_WRITE) == 0;
}
+static const struct mm_walk_ops mincore_walk_ops = {
+ .pmd_entry = mincore_pte_range,
+ .pte_hole = mincore_unmapped_range,
+ .hugetlb_entry = mincore_hugetlb,
+};
+
/*
* Do a chunk of "sys_mincore()". We've already checked
* all the arguments, we hold the mmap semaphore: we should
struct vm_area_struct *vma;
unsigned long end;
int err;
- struct mm_walk mincore_walk = {
- .pmd_entry = mincore_pte_range,
- .pte_hole = mincore_unmapped_range,
- .hugetlb_entry = mincore_hugetlb,
- .private = vec,
- };
vma = find_vma(current->mm, addr);
if (!vma || addr < vma->vm_start)
memset(vec, 1, pages);
return pages;
}
- mincore_walk.mm = vma->vm_mm;
- err = walk_page_range(addr, end, &mincore_walk);
+ err = walk_page_range(vma->vm_mm, addr, end, &mincore_walk_ops, vec);
if (err < 0)
return err;
return (end - addr) >> PAGE_SHIFT;
unsigned long pages;
unsigned char *tmp;
+ start = untagged_addr(start);
+
/* Check the start address: needs to be page-aligned.. */
if (start & ~PAGE_MASK)
return -EINVAL;