From: Alexey Dobriyan <adobriyan@gmail.com>
To: akpm@linux-foundation.org
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH 1/2] add typeof_member() macro
Date: Wed, 29 May 2019 22:07:20 +0300 [thread overview]
Message-ID: <20190529190720.GA5703@avx2> (raw)
Add typeof_member() macro so that types can be exctracted without
introducing dummy variables.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
include/linux/kernel.h | 2 ++
1 file changed, 2 insertions(+)
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -88,6 +88,8 @@
*/
#define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f))
+#define typeof_member(T, m) typeof(((T*)0)->m)
+
#define DIV_ROUND_UP __KERNEL_DIV_ROUND_UP
#define DIV_ROUND_DOWN_ULL(ll, d) \
next reply other threads:[~2019-05-29 19:07 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-29 19:07 Alexey Dobriyan [this message]
2019-05-29 19:11 ` [PATCH 2/2] proc: use typeof_member() macro Alexey Dobriyan
2019-05-29 22:33 ` Andrew Morton
2019-05-30 11:37 ` [PATCH 1/2] add " David Laight
2019-05-30 11:53 ` Joe Perches
2019-05-30 19:57 ` Alexey Dobriyan
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