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authorAl Viro <viro@zeniv.linux.org.uk>2009-11-30 23:34:06 +0100
committerAl Viro <viro@zeniv.linux.org.uk>2009-12-11 12:34:10 +0100
commit0067bd8a55862ac9dd212bd1c4f6f5bff1ca1301 (patch)
tree85e4ba1eac7d0e5b15cdf87a184669ca044b0304 /arch/ia64
parentarch_mmap_check() on mn10300 (diff)
downloadlinux-0067bd8a55862ac9dd212bd1c4f6f5bff1ca1301.tar.xz
linux-0067bd8a55862ac9dd212bd1c4f6f5bff1ca1301.zip
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>
Diffstat (limited to 'arch/ia64')
-rw-r--r--arch/ia64/ia32/sys_ia32.c3
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);
{