vdso/datapage.h includes a lot of headers which are not strictly necessary.
Some of those headers include architecture-specific vDSO headers which
prevent the usage of vdso/datapage.h in kernel code on architectures
without an vDSO. This would be useful however to write generic code using
IS_ENABLED(), for example in drivers/char/random.c.

Remove the unnecessary includes.

Signed-off-by: Thomas Weißschuh <thomas.weisssc...@linutronix.de>
---
 include/vdso/datapage.h | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/include/vdso/datapage.h b/include/vdso/datapage.h
index 
752856b36a3abf82b849451e5d5233b1067b86f2..9021b9580be229b2001dd17bfbdc236ebda1cee7
 100644
--- a/include/vdso/datapage.h
+++ b/include/vdso/datapage.h
@@ -4,24 +4,16 @@
 
 #ifndef __ASSEMBLY__
 
-#include <linux/compiler.h>
+#include <linux/types.h>
+
 #include <uapi/linux/bits.h>
 #include <uapi/linux/time.h>
-#include <uapi/linux/types.h>
-#include <uapi/asm-generic/errno-base.h>
 
 #include <vdso/align.h>
 #include <vdso/bits.h>
 #include <vdso/cache.h>
-#include <vdso/clocksource.h>
-#include <vdso/ktime.h>
-#include <vdso/limits.h>
-#include <vdso/math64.h>
 #include <vdso/page.h>
-#include <vdso/processor.h>
 #include <vdso/time.h>
-#include <vdso/time32.h>
-#include <vdso/time64.h>
 
 #ifdef CONFIG_ARCH_HAS_VDSO_TIME_DATA
 #include <asm/vdso/time_data.h>

-- 
2.51.0


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