vma_wants_writenotify should return bool,so we change it
Signed-off-by: Hao Ge <gehao@xxxxxxxxxx>
---
include/linux/mm.h | 2 +-
mm/mmap.c | 12 ++++++------
2 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 0436b919f1c7..e2f1374c43b0 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2550,7 +2550,7 @@ extern unsigned long move_page_tables(struct vm_area_struct *vma,
MM_CP_UFFD_WP_RESOLVE)
bool vma_needs_dirty_tracking(struct vm_area_struct *vma);
-int vma_wants_writenotify(struct vm_area_struct *vma, pgprot_t vm_page_prot);
+bool vma_wants_writenotify(struct vm_area_struct *vma, pgprot_t vm_page_prot);
static inline bool vma_wants_manual_pte_write_upgrade(struct vm_area_struct *vma)
{
/*
diff --git a/mm/mmap.c b/mm/mmap.c
index 6dbda99a47da..ac219f1689e0 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1514,32 +1514,32 @@ bool vma_needs_dirty_tracking(struct vm_area_struct *vma)
* to the private version (using protection_map[] without the
* VM_SHARED bit).
*/
-int vma_wants_writenotify(struct vm_area_struct *vma, pgprot_t vm_page_prot)
+bool vma_wants_writenotify(struct vm_area_struct *vma, pgprot_t vm_page_prot)
{
/* If it was private or non-writable, the write bit is already clear */
if (!vma_is_shared_writable(vma))
- return 0;
+ return false;
/* The backer wishes to know when pages are first written to? */
if (vm_ops_needs_writenotify(vma->vm_ops))
- return 1;
+ return true;
/* The open routine did something to the protections that pgprot_modify
* won't preserve? */
if (pgprot_val(vm_page_prot) !=
pgprot_val(vm_pgprot_modify(vm_page_prot, vma->vm_flags)))
- return 0;
+ return false;
/*
* Do we need to track softdirty? hugetlb does not support softdirty
* tracking yet.
*/
if (vma_soft_dirty_enabled(vma) && !is_vm_hugetlb_page(vma))
- return 1;
+ return true;
/* Do we need write faults for uffd-wp tracking? */
if (userfaultfd_wp(vma))
- return 1;
+ return true;
/* Can the mapping track the dirty pages? */
return vma_fs_can_writeback(vma);
--
2.25.1
