Author: kib
Date: Fri Jun 1 23:50:51 2018
New Revision: 334507
URL: https://svnweb.freebsd.org/changeset/base/334507
Log:
Only check for MAP_32BIT when available.
Reported by: mmacy
Sponsored by: The FreeBSD Foundation
MFC after: 10 days
Modified:
head/sys/vm/vm_mmap.c
Modified: head/sys/vm/vm_mmap.c
==============================================================================
--- head/sys/vm/vm_mmap.c Fri Jun 1 23:49:32 2018 (r334506)
+++ head/sys/vm/vm_mmap.c Fri Jun 1 23:50:51 2018 (r334507)
@@ -242,7 +242,10 @@ kern_mmap(struct thread *td, uintptr_t addr0, size_t s
return (EINVAL);
if ((flags & MAP_GUARD) != 0 && (prot != PROT_NONE || fd != -1 ||
pos != 0 || (flags & ~(MAP_FIXED | MAP_GUARD | MAP_EXCL |
- MAP_32BIT | MAP_ALIGNMENT_MASK)) != 0))
+#ifdef MAP_32BIT
+ MAP_32BIT |
+#endif
+ MAP_ALIGNMENT_MASK)) != 0))
return (EINVAL);
/*
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