From: "Robert P. J. Day" Since these two source files invoke kmalloc(), they should explicitly include . Signed-off-by: Robert P. J. Day Cc: David Howells Signed-off-by: Andrew Morton --- security/keys/request_key.c | 1 + security/keys/request_key_auth.c | 1 + 2 files changed, 2 insertions(+) diff -puN security/keys/request_key.c~keys-explicitly-include-required-slabh-header-file security/keys/request_key.c --- a/security/keys/request_key.c~keys-explicitly-include-required-slabh-header-file +++ a/security/keys/request_key.c @@ -16,6 +16,7 @@ #include #include #include +#include #include "internal.h" /* diff -puN security/keys/request_key_auth.c~keys-explicitly-include-required-slabh-header-file security/keys/request_key_auth.c --- a/security/keys/request_key_auth.c~keys-explicitly-include-required-slabh-header-file +++ a/security/keys/request_key_auth.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include "internal.h" _