Messages in this thread Patch in this message | | | Date | Sat, 03 Aug 2002 18:39:10 -0400 | From | Brian Gerst <> | Subject | [PATCH] Dead code in i386/kernel/process.c |
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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. */ | |