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Commit 8840c0cc authored by Jeremy Fitzhardinge's avatar Jeremy Fitzhardinge Committed by Ingo Molnar
Browse files

x86_64: there's no need to preallocate level1_fixmap_pgt 



Early fixmap will allocate its own L1 pagetable page for fixmap
mappings, so there's no need to preallocate one.

Signed-off-by: default avatarJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: Stephen Tweedie <sct@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent c1f2f09e

arch/x86/kernel/head_64.S

+0 −6
Original line number Diff line number Diff line
@@ -362,12 +362,6 @@ 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)