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-rw-r--r--mm/mmap.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/mm/mmap.c b/mm/mmap.c
index 8295577a83b..bb4c963cc53 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -36,6 +36,10 @@
#define arch_mmap_check(addr, len, flags) (0)
#endif
+#ifndef arch_rebalance_pgtables
+#define arch_rebalance_pgtables(addr, len) (addr)
+#endif
+
static void unmap_region(struct mm_struct *mm,
struct vm_area_struct *vma, struct vm_area_struct *prev,
unsigned long start, unsigned long end);
@@ -1424,7 +1428,7 @@ get_unmapped_area(struct file *file, unsigned long addr, unsigned long len,
if (addr & ~PAGE_MASK)
return -EINVAL;
- return addr;
+ return arch_rebalance_pgtables(addr, len);
}
EXPORT_SYMBOL(get_unmapped_area);