[PATCH] NUMA aware block device control structure allocation

[mv-sheeva.git] / mm / mmap.c

diff --git a/mm/mmap.c b/mm/mmap.c
index 9da23c1ef9dce6ea1710d2f36d3e0c7ece033876..da3fa90a0aae2b9af04ec553209deb6a51b80b48 100644 (file)
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1267,6 +1267,9 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
                        return (mm->free_area_cache = addr-len);
        }
 
+       if (mm->mmap_base < len)
+               goto bottomup;
+
        addr = mm->mmap_base-len;
 
        do {
@@ -1288,6 +1291,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
                addr = vma->vm_start-len;
        } while (len < vma->vm_start);
 
+bottomup:
        /*
         * A failed mmap() very likely causes application failure,
         * so fall back to the bottom-up function here. This scenario