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authorHao Ge <gehao@kylinos.cn>2024-04-07 14:38:43 +0800
committerAndrew Morton <akpm@linux-foundation.org>2024-05-05 17:53:26 -0700
commit2bd9e6ee99cb249e4424ca5a4bf12d879ca9ce5d (patch)
tree164c4499d14e96dd1b803f522c5678e6dc8ce0de
parent38bc9c28c3780d8d0ca1ed1a1fbfe8c91e20f5f2 (diff)
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>
-rw-r--r--mm/mmap.c4
1 files changed, 2 insertions, 2 deletions
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;
}