drivers/oprofile: Use vma_lookup() instead of find_vma_intersection()

vma_lookup() is more efficient

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>

diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c
index c63703b3bcebe0a5671f92cea0bc804a066a81c3..c7d64bad461c72a57156c9e0390bb3b3c91b4ebb 100644 (file)
--- a/drivers/oprofile/buffer_sync.c
+++ b/drivers/oprofile/buffer_sync.c
@@ -257,7 +257,7 @@ lookup_dcookie(struct mm_struct *mm, unsigned long addr, off_t *offset)
        struct vm_area_struct *vma;
 
        mmap_read_lock(mm);
-       vma = find_vma_intersection(mm, addr, addr + 1);
+       vma = vma_lookup(mm, addr);
        if (vma) {
                if (vma->vm_file) {
                        cookie = fast_get_dcookie(&vma->vm_file->f_path);