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authorIngo Molnar <mingo@elte.hu>2008-07-09 22:32:33 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-16 11:07:30 +0200
commit6596f2422306a05be2170efc114da49f26a047dd (patch)
tree5c3e84d2352a87ac8091f8d3f5aef415edc60f91
parent6717ef1aa750b54ddb9d8854b91707ee21f0ad23 (diff)
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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>
-rw-r--r--arch/x86/kernel/head_64.S6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
index 2240f82..db3280a 100644
--- a/arch/x86/kernel/head_64.S
+++ b/arch/x86/kernel/head_64.S
@@ -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)