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