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-rw-r--r--arch/ia64/kernel/sys_ia64.c7
-rw-r--r--arch/ia64/mm/hugetlbpage.c8
2 files changed, 15 insertions, 0 deletions
diff --git a/arch/ia64/kernel/sys_ia64.c b/arch/ia64/kernel/sys_ia64.c
index 9ef62a3fbfad..2fcaa2051aa3 100644
--- a/arch/ia64/kernel/sys_ia64.c
+++ b/arch/ia64/kernel/sys_ia64.c
@@ -33,6 +33,13 @@ arch_get_unmapped_area (struct file *filp, unsigned long addr, unsigned long len
33 if (len > RGN_MAP_LIMIT) 33 if (len > RGN_MAP_LIMIT)
34 return -ENOMEM; 34 return -ENOMEM;
35 35
36 /* handle fixed mapping: prevent overlap with huge pages */
37 if (flags & MAP_FIXED) {
38 if (is_hugepage_only_range(mm, addr, len))
39 return -EINVAL;
40 return addr;
41 }
42
36#ifdef CONFIG_HUGETLB_PAGE 43#ifdef CONFIG_HUGETLB_PAGE
37 if (REGION_NUMBER(addr) == RGN_HPAGE) 44 if (REGION_NUMBER(addr) == RGN_HPAGE)
38 addr = 0; 45 addr = 0;
diff --git a/arch/ia64/mm/hugetlbpage.c b/arch/ia64/mm/hugetlbpage.c
index 0c7e94edc20e..c7c90f4f4298 100644
--- a/arch/ia64/mm/hugetlbpage.c
+++ b/arch/ia64/mm/hugetlbpage.c
@@ -148,6 +148,14 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr, u
148 return -ENOMEM; 148 return -ENOMEM;
149 if (len & ~HPAGE_MASK) 149 if (len & ~HPAGE_MASK)
150 return -EINVAL; 150 return -EINVAL;
151
152 /* Handle MAP_FIXED */
153 if (flags & MAP_FIXED) {
154 if (prepare_hugepage_range(addr, len, pgoff))
155 return -EINVAL;
156 return addr;
157 }
158
151 /* This code assumes that RGN_HPAGE != 0. */ 159 /* This code assumes that RGN_HPAGE != 0. */
152 if ((REGION_NUMBER(addr) != RGN_HPAGE) || (addr & (HPAGE_SIZE - 1))) 160 if ((REGION_NUMBER(addr) != RGN_HPAGE) || (addr & (HPAGE_SIZE - 1)))
153 addr = HPAGE_REGION_BASE; 161 addr = HPAGE_REGION_BASE;