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>
kgugala · Dec 11, 2009 · 0067bd8 · 0067bd8
1 parent 564b3bf
commit 0067bd8
Showing 1 changed file with 3 additions and 0 deletions.
diff --git 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);
 	{