Messages in this thread Patch in this message | | | From | Will Deacon <> | Subject | [PATCH v4 8/8] mm: Mark anonymous struct field of 'struct vm_fault' as 'const' | Date | Wed, 20 Jan 2021 17:36:12 +0000 |
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The fields of this struct are only ever read after being initialised, so mark it 'const' before somebody tries to modify it again.
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Will Deacon <will@kernel.org> --- include/linux/mm.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/mm.h b/include/linux/mm.h index e0f056753bef..7ff3d9817d38 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -514,7 +514,7 @@ static inline bool fault_flag_allow_retry_first(unsigned int flags) * pgoff should be used in favour of virtual_address, if possible. */ struct vm_fault { - struct { + const struct { struct vm_area_struct *vma; /* Target VMA */ gfp_t gfp_mask; /* gfp mask to be used for allocations */ pgoff_t pgoff; /* Logical page offset based on vma */ -- 2.30.0.284.gd98b1dd5eaa7-goog
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