Commit 2bd9e6ee authored by Hao Ge's avatar Hao Ge Committed by Andrew Morton
Browse files

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: default avatarHao 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: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 38bc9c28

mm/mmap.c

+2 −2
Original line number Diff line number Diff line
@@ -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;

}