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mm/mmap: make accountable_mapping return bool

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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>
This commit is contained in:
Hao Ge
2024-04-07 14:38:43 +08:00
committed by Andrew Morton
parent 38bc9c28c3
commit 2bd9e6ee99
1 changed files with 2 additions and 2 deletions
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4
mm/mmap.c
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@@ -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, * We account for memory if it's a private writeable mapping,
* not hugepages and VM_NORESERVE wasn't set. * 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 * hugetlb has its own accounting separate from the core VM
* VM_HUGETLB may not be set yet so we cannot check for that flag. * VM_HUGETLB may not be set yet so we cannot check for that flag.
*/ */
if (file && is_file_hugepages(file)) if (file && is_file_hugepages(file))
return 0; return false;
return (vm_flags & (VM_NORESERVE | VM_SHARED | VM_WRITE)) == VM_WRITE; return (vm_flags & (VM_NORESERVE | VM_SHARED | VM_WRITE)) == VM_WRITE;
} }