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Date: Sat, 14 Apr 2018 20:28:27 +0300 From: Mike Rapoport <rppt@...ux.vnet.ibm.com> To: Peng Hao <peng.hao2@....com.cn> Cc: shuah@...nel.org, aarcange@...hat.com, akpm@...ux-foundation.org, linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] selftests:vm: add include file On Sun, Apr 15, 2018 at 03:08:56AM +0800, Peng Hao wrote: > userfaultfd.c: In function ‘hugetlb_release_pages’: > userfaultfd.c:145:25: error: ‘FALLOC_FL_PUNCH_HOLE’ undeclared > (first use in this function) > > Signed-off-by: Peng Hao <peng.hao2@....com.cn> > --- > tools/testing/selftests/vm/userfaultfd.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/tools/testing/selftests/vm/userfaultfd.c b/tools/testing/selftests/vm/userfaultfd.c > index de2f9ec..d8fe447 100644 > --- a/tools/testing/selftests/vm/userfaultfd.c > +++ b/tools/testing/selftests/vm/userfaultfd.c > @@ -68,6 +68,7 @@ > #include <linux/userfaultfd.h> > #include <setjmp.h> > #include <stdbool.h> > +#include <linux/falloc.h> The FALLOC_FL_PUNCH_HOLE definition should come from #include <fcntl.h>. What are the versions of your kernel and the libc-development package? > #ifdef __NR_userfaultfd > > -- > 1.8.3.1 > -- Sincerely yours, Mike.
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