From: Hao Ge <gehao@kylinos.cn>
Date: Sun, 7 Apr 2024 06:38:43 +0000 (+0800)
Subject: mm/mmap: make accountable_mapping return bool
X-Git-Tag: io_uring-6.10-20240523~37^2~172
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=2bd9e6ee99cb249e4424ca5a4bf12d879ca9ce5d;p=linux-block.git

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 c9367454e19f..2fc4601a6f85 100644
--- 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;
 }