The patch titled
Subject: mm/mmap: make accountable_mapping return bool
has been added to the -mm mm-unstable branch. Its filename is
mm-mmap-make-accountable_mapping-return-bool.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-mmap-make-accountable_mapping-return-bool.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Hao Ge <gehao@xxxxxxxxxx>
Subject: mm/mmap: make accountable_mapping return bool
Date: Sun, 7 Apr 2024 14:38:43 +0800
accountable_mapping can return bool,so we change it
Link: https://lkml.kernel.org/r/20240407063843.804274-1-gehao@xxxxxxxxxx
Signed-off-by: Hao Ge <gehao@xxxxxxxxxx>
Cc: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
Cc: Lorenzo Stoakes <lstoakes@xxxxxxxxx>
Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/mmap.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/mm/mmap.c~mm-mmap-make-accountable_mapping-return-bool
+++ a/mm/mmap.c
@@ -1549,14 +1549,14 @@ bool vma_wants_writenotify(struct vm_are
* 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;
}
_
Patches currently in -mm which might be from gehao@xxxxxxxxxx are
mm-page-flags-make-__pagemovable-return-bool.patch
mm-page-flags-make-pagemappingflags-return-bool.patch
mm-mmap-make-vma_wants_writenotify-return-bool.patch
mm-mmap-make-accountable_mapping-return-bool.patch
