flat: fix stupid bug I noticed

May well kick this code out shortly anyway

diff --git a/Kernel/flat.c b/Kernel/flat.c
index e9b2a9e..50afdc0 100644 (file)
--- a/Kernel/flat.c
+++ b/Kernel/flat.c
@@ -242,7 +242,7 @@ int pagemap_realloc(usize_t size)
 
        mb->start = kmalloc(size);
        mb->end = mb->start + size;
-       if (mb->end == NULL)
+       if (mb->start == NULL)
                return ENOMEM;
        return 0;
 }