From 04f17089afbc3438a7a33bc04f69e7b378000b92 Mon Sep 17 00:00:00 2001 From: Jozsef Kadlecsik Date: Thu, 19 Nov 2020 15:01:37 +0100 Subject: Compatibility: check for kvzalloc() and GFP_KERNEL_ACCOUNT Signed-off-by: Jozsef Kadlecsik --- configure.ac | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'configure.ac') diff --git a/configure.ac b/configure.ac index 1ee4abd..c10f9f6 100644 --- a/configure.ac +++ b/configure.ac @@ -776,6 +776,26 @@ else AC_SUBST(HAVE_NLA_POLICY_EXACT_LEN, undef) fi +AC_MSG_CHECKING([kernel source for kvzalloc() in mm.h]) +if test -f $ksourcedir/include/linux/mm.h && \ + $GREP -q 'static inline void \*kvzalloc(' $ksourcedir/include/linux/mm.h; then + AC_MSG_RESULT(yes) + AC_SUBST(HAVE_KVZALLOC, define) +else + AC_MSG_RESULT(no) + AC_SUBST(HAVE_KVZALLOC, undef) +fi + +AC_MSG_CHECKING([kernel source for GFP_KERNEL_ACCOUNT in gfp.h]) +if test -f $ksourcedir/include/linux/gfp.h && \ + $GREP -q 'define GFP_KERNEL_ACCOUNT' $ksourcedir/include/linux/gfp.h; then + AC_MSG_RESULT(yes) + AC_SUBST(HAVE_GFP_KERNEL_ACCOUNT, define) +else + AC_MSG_RESULT(no) + AC_SUBST(HAVE_GFP_KERNEL_ACCOUNT, undef) +fi + AC_MSG_CHECKING([kernel source for struct net_generic]) if test -f $ksourcedir/include/net/netns/generic.h && \ $GREP -q 'struct net_generic' $ksourcedir/include/net/netns/generic.h; then -- cgit v1.2.3