Cut hugetlb case early for 32bit on ia64

It won't work anyway (hugetlb addresses there are way beyond 4Gb)
and it's easier to stop it here.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/ia64/ia32/sys_ia32.c b/arch/ia64/ia32/sys_ia32.c
index 429ec968c9ee..045b746b9808 100644
--- a/arch/ia64/ia32/sys_ia32.c
+++ b/arch/ia64/ia32/sys_ia32.c
@@ -858,6 +858,9 @@ ia32_do_mmap (struct file *file, unsigned long addr, unsigned long len, int prot
 
         prot = get_prot32(prot);
 
+        if (flags & MAP_HUGETLB)
+                return -ENOMEM;
+
 #if PAGE_SHIFT > IA32_PAGE_SHIFT
         mutex_lock(&ia32_mmap_mutex);
         {