Revert "x86_64: there's no need to preallocate level1_fixmap_pgt"



This reverts commit 033786969d1d1b5af12a32a19d3a760314d05329.

Suresh Siddha reported that this broke booting on his 2GB testbox.

Reported-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent 6717ef1a

arch/x86/kernel/head_64.S

+6 −0

Original line number	Diff line number	Diff line
		@@ -362,6 +362,12 @@ NEXT_PAGE(level3_kernel_pgt)
		.quad level2_fixmap_pgt - __START_KERNEL_map + _PAGE_TABLE

		NEXT_PAGE(level2_fixmap_pgt)
		.fill 506,8,0
		.quad level1_fixmap_pgt - __START_KERNEL_map + _PAGE_TABLE
		/* 8MB reserved for vsyscalls + a 2MB hole = 4 + 1 entries */
		.fill 5,8,0

		NEXT_PAGE(level1_fixmap_pgt)
		.fill 512,8,0

		NEXT_PAGE(level2_ident_pgt)