[ 20/89] x86, mm: Undo incorrect revert in arch/x86/mm/init.c

From: Ben Hutchings
Date: Mon Dec 03 2012 - 09:37:56 EST


3.2-stable review patch. If anyone has any objections, please let me know.

------------------

From: Yinghai Lu <yinghai@xxxxxxxxxx>

commit f82f64dd9f485e13f29f369772d4a0e868e5633a upstream.

Commit

844ab6f9 x86, mm: Find_early_table_space based on ranges that are actually being mapped

added back some lines back wrongly that has been removed in commit

7b16bbf97 Revert "x86/mm: Fix the size calculation of mapping tables"

remove them again.

Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/CAE9FiQW_vuaYQbmagVnxT2DGsYc=9tNeAbdBq53sYkitPOwxSQ@xxxxxxxxxxxxxx
Acked-by: Jacob Shin <jacob.shin@xxxxxxx>
Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
arch/x86/mm/init.c | 4 ----
1 file changed, 4 deletions(-)

diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index bc287d6..d7aea41 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -65,10 +65,6 @@ static void __init find_early_table_space(struct map_range *mr, int nr_range)
#ifdef CONFIG_X86_32
extra += PMD_SIZE;
#endif
- /* The first 2/4M doesn't use large pages. */
- if (mr[i].start < PMD_SIZE)
- extra += range;
-
ptes += (extra + PAGE_SIZE - 1) >> PAGE_SHIFT;
} else {
ptes += (range + PAGE_SIZE - 1) >> PAGE_SHIFT;


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