From: Will Deacon <will@kernel.org> To: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, Will Deacon <will@kernel.org>, Catalin Marinas <catalin.marinas@arm.com>, Jan Kara <jack@suse.cz>, Minchan Kim <minchan@kernel.org>, Andrew Morton <akpm@linux-foundation.org>, "Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>, Linus Torvalds <torvalds@linux-foundation.org>, Vinayak Menon <vinmenon@codeaurora.org>, Hugh Dickins <hughd@google.com>, kernel-team@android.com Subject: [RFC PATCH 8/8] mm: Mark 'info' field of 'struct vm_fault' as 'const' Date: Thu, 14 Jan 2021 17:59:34 +0000 [thread overview] Message-ID: <20210114175934.13070-9-will@kernel.org> (raw) In-Reply-To: <20210114175934.13070-1-will@kernel.org> The field is 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 c24dd17b32c5..b45a8e075f7f 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -521,7 +521,7 @@ struct vm_fault_info { }; struct vm_fault { - struct vm_fault_info info; + const struct vm_fault_info info; unsigned int flags; /* FAULT_FLAG_xxx flags * XXX: should be in vm_fault_info */ pmd_t *pmd; /* Pointer to pmd entry matching -- 2.30.0.284.gd98b1dd5eaa7-goog
WARNING: multiple messages have this Message-ID (diff)
From: Will Deacon <will@kernel.org> To: linux-kernel@vger.kernel.org Cc: kernel-team@android.com, Jan Kara <jack@suse.cz>, Minchan Kim <minchan@kernel.org>, Catalin Marinas <catalin.marinas@arm.com>, Linus Torvalds <torvalds@linux-foundation.org>, Hugh Dickins <hughd@google.com>, linux-mm@kvack.org, Vinayak Menon <vinmenon@codeaurora.org>, "Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>, Andrew Morton <akpm@linux-foundation.org>, Will Deacon <will@kernel.org>, linux-arm-kernel@lists.infradead.org Subject: [RFC PATCH 8/8] mm: Mark 'info' field of 'struct vm_fault' as 'const' Date: Thu, 14 Jan 2021 17:59:34 +0000 [thread overview] Message-ID: <20210114175934.13070-9-will@kernel.org> (raw) In-Reply-To: <20210114175934.13070-1-will@kernel.org> The field is 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 c24dd17b32c5..b45a8e075f7f 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -521,7 +521,7 @@ struct vm_fault_info { }; struct vm_fault { - struct vm_fault_info info; + const struct vm_fault_info info; unsigned int flags; /* FAULT_FLAG_xxx flags * XXX: should be in vm_fault_info */ pmd_t *pmd; /* Pointer to pmd entry matching -- 2.30.0.284.gd98b1dd5eaa7-goog _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-01-14 18:02 UTC|newest] Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-01-14 17:59 [PATCH v3 0/8] Create 'old' ptes for faultaround mappings on arm64 with hardware access flag Will Deacon 2021-01-14 17:59 ` Will Deacon 2021-01-14 17:59 ` [PATCH v3 1/8] mm: Cleanup faultaround and finish_fault() codepaths Will Deacon 2021-01-14 17:59 ` Will Deacon 2021-02-09 20:24 ` Guenter Roeck 2021-02-09 20:24 ` Guenter Roeck 2021-02-10 11:44 ` Will Deacon 2021-02-10 11:44 ` Will Deacon 2021-02-10 14:57 ` Guenter Roeck 2021-02-10 14:57 ` Guenter Roeck 2021-01-14 17:59 ` [PATCH v3 2/8] mm: Allow architectures to request 'old' entries when prefaulting Will Deacon 2021-01-14 17:59 ` Will Deacon 2021-01-14 17:59 ` [PATCH v3 3/8] arm64: mm: Implement arch_wants_old_prefaulted_pte() Will Deacon 2021-01-14 17:59 ` Will Deacon 2021-01-14 17:59 ` [RFC PATCH 4/8] mm: Separate fault info out of 'struct vm_fault' Will Deacon 2021-01-14 18:16 ` Linus Torvalds 2021-01-14 18:16 ` Linus Torvalds 2021-01-14 18:16 ` Linus Torvalds 2021-01-14 19:00 ` Will Deacon 2021-01-14 19:00 ` Will Deacon 2021-01-14 19:09 ` Linus Torvalds 2021-01-14 19:09 ` Linus Torvalds 2021-01-14 19:09 ` Linus Torvalds 2021-01-14 19:41 ` Will Deacon 2021-01-14 19:41 ` Will Deacon 2021-01-14 20:09 ` Nick Desaulniers 2021-01-14 20:09 ` Nick Desaulniers 2021-01-14 20:09 ` Nick Desaulniers 2021-01-14 21:11 ` Linus Torvalds 2021-01-14 21:11 ` Linus Torvalds 2021-01-14 21:11 ` Linus Torvalds 2021-01-15 9:23 ` Will Deacon 2021-01-15 9:23 ` Will Deacon 2021-01-15 21:32 ` Linus Torvalds 2021-01-15 21:32 ` Linus Torvalds 2021-01-15 21:32 ` Linus Torvalds 2021-01-20 0:00 ` Nick Desaulniers 2021-01-20 0:00 ` Nick Desaulniers 2021-01-20 0:00 ` Nick Desaulniers 2021-01-14 17:59 ` [RFC PATCH 5/8] mm: Pass 'address' to map to do_set_pte() and drop FAULT_FLAG_PREFAULT Will Deacon 2021-01-14 17:59 ` Will Deacon 2021-01-14 18:17 ` Linus Torvalds 2021-01-14 18:17 ` Linus Torvalds 2021-01-14 18:17 ` Linus Torvalds 2021-01-15 10:24 ` Will Deacon 2021-01-15 10:24 ` Will Deacon 2021-01-14 17:59 ` [RFC PATCH 6/8] mm: Avoid modifying vmf.info.address in __collapse_huge_page_swapin() Will Deacon 2021-01-14 17:59 ` Will Deacon 2021-01-14 17:59 ` [RFC PATCH 7/8] mm: Use static initialisers for 'info' field of 'struct vm_fault' Will Deacon 2021-01-14 17:59 ` Will Deacon 2021-01-14 17:59 ` Will Deacon [this message] 2021-01-14 17:59 ` [RFC PATCH 8/8] mm: Mark 'info' field of 'struct vm_fault' as 'const' Will Deacon
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