[PATCH] Dead code in i386/kernel/process.c

From: Brian Gerst (bgerst@didntduck.org)
Date: Sat Aug 03 2002 - 17:39:10 EST

This patch removes an artifact of code left over from the 2.0 days when
the kernel didn't use flat segments.

diff -urN linux-2.5.30/arch/i386/kernel/process.c linux/arch/i386/kernel/process.c
--- linux-2.5.30/arch/i386/kernel/process.c Fri Aug 2 10:15:28 2002
+++ linux/arch/i386/kernel/process.c Sat Aug 3 16:41:03 2002
@@ -313,11 +313,6 @@
         memcpy (swapper_pg_dir, swapper_pg_dir + USER_PGD_PTRS,
                 sizeof (swapper_pg_dir [0]) * KERNEL_PGD_PTRS);
 
- /* Make sure the first page is mapped to the start of physical memory.
- It is normally not mapped, to trap kernel NULL pointer dereferences. */
-
- pg0[0] = _PAGE_RW | _PAGE_PRESENT;
-
         /*
          * Use `swapper_pg_dir' as our page directory.
          */

-
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