x86, mm, Xen: Remove mapping_pagetable_reserve()

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Page table area are pre-mapped now after
	x86, mm: setup page table in top-down
	x86, mm: Remove early_memremap workaround for page table accessing on 64bit

mapping_pagetable_reserve is not used anymore, so remove it.

Also remove operation in mask_rw_pte(), as modified allow_low_page
always return pages that are already mapped, moreover
xen_alloc_pte_init, xen_alloc_pmd_init, etc, will mark the page RO
before hooking it into the pagetable automatically.

-v2: add changelog about mask_rw_pte() from Stefano.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Link: http://lkml.kernel.org/r/1353123563-3103-27-git-send-email-yinghai@kernel.org
Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

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This commit is contained in:

Yinghai Lu 2012-11-16 19:39:03 -08:00 • committed by H. Peter Anvin

parent 9985b4c6fa

commit 6f80b68e9e

5 changed files with 0 additions and 49 deletions

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1

arch/x86/include/asm/pgtable_types.h

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12

arch/x86/include/asm/x86_init.h

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4

arch/x86/kernel/x86_init.c

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arch/x86/mm/init.c

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28

arch/x86/xen/mmu.c

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