2009-12-07 03:53:54

by Al Viro

[permalink] [raw]
Subject: [PATCH 12/19] 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 <[email protected]>
---
arch/ia64/ia32/sys_ia32.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/arch/ia64/ia32/sys_ia32.c b/arch/ia64/ia32/sys_ia32.c
index 625ed8f..e031ee8 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);
{
--
1.5.6.5