Messages in this thread Patch in this message | | | From | Alejandro Colomar <> | Subject | [PATCH 04/17] linux/memberof.h: Move memberof() to separate header | Date | Fri, 19 Nov 2021 12:36:32 +0100 |
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Touching files so used for the kernel, such as <linux/stddef.h> or <linux/container_of.h> forces 'make' to recompile most of the kernel.
Having those definitions in more granular files helps avoid recompiling so much of the kernel.
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com> --- drivers/gpu/drm/i915/i915_utils.h | 2 +- drivers/gpu/drm/i915/intel_runtime_pm.h | 1 + include/linux/container_of.h | 3 +-- include/linux/memberof.h | 9 +++++++++ include/linux/virtio_config.h | 1 + 5 files changed, 13 insertions(+), 3 deletions(-) create mode 100644 include/linux/memberof.h
diff --git a/drivers/gpu/drm/i915/i915_utils.h b/drivers/gpu/drm/i915/i915_utils.h index 2e3ec28f4f1b..bb91e6763d34 100644 --- a/drivers/gpu/drm/i915/i915_utils.h +++ b/drivers/gpu/drm/i915/i915_utils.h @@ -25,8 +25,8 @@ #ifndef __I915_UTILS_H #define __I915_UTILS_H -#include <linux/container_of.h> #include <linux/list.h> +#include <linux/memberof.h> #include <linux/overflow.h> #include <linux/sched.h> #include <linux/types.h> diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.h b/drivers/gpu/drm/i915/intel_runtime_pm.h index 6cb04bef62ad..72f5396eea70 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.h +++ b/drivers/gpu/drm/i915/intel_runtime_pm.h @@ -6,6 +6,7 @@ #ifndef __INTEL_RUNTIME_PM_H__ #define __INTEL_RUNTIME_PM_H__ +#include <linux/memberof.h> #include <linux/types.h> #include "intel_wakeref.h" diff --git a/include/linux/container_of.h b/include/linux/container_of.h index 227418cb8c99..2f1eb5ddd20a 100644 --- a/include/linux/container_of.h +++ b/include/linux/container_of.h @@ -4,10 +4,9 @@ #include <linux/build_bug.h> #include <linux/err.h> +#include <linux/memberof.h> -#define memberof(T, m) (((T *) NULL)->m) - #define typeof_member(T, m) typeof(memberof(T, m)) /** diff --git a/include/linux/memberof.h b/include/linux/memberof.h new file mode 100644 index 000000000000..3853c91d1fb2 --- /dev/null +++ b/include/linux/memberof.h @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_MEMBEROF_H +#define _LINUX_MEMBEROF_H + + +#define memberof(T, m) (((T *) NULL)->m) + + +#endif /* _LINUX_MEMBEROF_H */ diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 4fd659e26450..ddbd51208ce1 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -4,6 +4,7 @@ #include <linux/err.h> #include <linux/bug.h> +#include <linux/memberof.h> #include <linux/virtio.h> #include <linux/virtio_byteorder.h> #include <linux/compiler_types.h> -- 2.33.1
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