mm/mmap: make accountable_mapping return bool

accountable_mapping() can return bool, so change it.

Link: https://lkml.kernel.org/r/20240407063843.804274-1-gehao@kylinos.cn
Signed-off-by: Hao Ge <gehao@kylinos.cn>
Cc: Liam R. Howlett <Liam.Howlett@oracle.com>
Cc: Lorenzo Stoakes <lstoakes@gmail.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/mmap.c b/mm/mmap.c
index c9367454e19f9b5f6096903c8c7640d480504850..2fc4601a6f8502e83df3a5ce0cda73f130977c3e 100644 (file)
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1549,14 +1549,14 @@ bool vma_wants_writenotify(struct vm_area_struct *vma, pgprot_t vm_page_prot)
  * We account for memory if it's a private writeable mapping,
  * not hugepages and VM_NORESERVE wasn't set.
  */
-static inline int accountable_mapping(struct file *file, vm_flags_t vm_flags)
+static inline bool accountable_mapping(struct file *file, vm_flags_t vm_flags)
 {
        /*
         * hugetlb has its own accounting separate from the core VM
         * VM_HUGETLB may not be set yet so we cannot check for that flag.
         */
        if (file && is_file_hugepages(file))
-               return 0;
+               return false;
 
        return (vm_flags & (VM_NORESERVE | VM_SHARED | VM_WRITE)) == VM_WRITE;
 }