[PATCH v4 8/8] mm: Mark anonymous struct field of 'struct vm_fault' as 'const'
From: Will Deacon <will@kernel.org>
Date: 2021-01-20 17:42:28
Also in:
linux-mm, lkml
Subsystem:
memory management - core, the rest · Maintainers:
Andrew Morton, David Hildenbrand, Linus Torvalds
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 <redacted> 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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