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Subject[PATCH 1/4] glibc specific inclusion of sysinfo.h in kernel.h
including sysinfo.h from kernel.h makes no sense whatsoever,
but removing it breaks glibc's userspace header,
which includes kernel.h instead of sysinfo.h from their sys/sysinfo.h.
this seems to be a historical mistake.
on musl, including any header that uses kernel.h directly or indirectly
plus sys/sysinfo.h will produce a compile error due to redefinition of
struct sysinfo.h.
so for now, only include it on glibc in order not to break their

Signed-off-by: John Spencer <>
Signed-off-by: David Heidelberger <>
include/uapi/linux/kernel.h | 2 ++
1 file changed, 2 insertion(+)

diff --git a/include/uapi/linux/kernel.h b/include/uapi/linux/kernel.h
index 321e399..8c45eeb 100644
--- a/include/uapi/linux/kernel.h
+++ b/include/uapi/linux/kernel.h
@@ -1,7 +1,9 @@

+#ifdef __GLIBC__
#include <linux/sysinfo.h>

* 'kernel.h' contains some often-used function prototypes etc

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