linux-kernel - [tip:x86/urgent] x86, mm: Undo incorrect revert in arch/x86/mm/ init.c

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Date:	Thu, 25 Oct 2012 16:31:18 -0700
From:	tip-bot for Yinghai Lu <yinghai@...nel.org>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	yinghai@...nel.org, jacob.shin@....com, tglx@...utronix.de,
	hpa@...ux.intel.com
Subject: [tip:x86/urgent] x86, mm: Undo incorrect revert in arch/x86/mm/
 init.c

Commit-ID:  f82f64dd9f485e13f29f369772d4a0e868e5633a
Gitweb:     http://git.kernel.org/tip/f82f64dd9f485e13f29f369772d4a0e868e5633a
Author:     Yinghai Lu <yinghai@...nel.org>
AuthorDate: Thu, 25 Oct 2012 15:45:26 -0700
Committer:  H. Peter Anvin <hpa@...ux.intel.com>
CommitDate: Thu, 25 Oct 2012 15:45:45 -0700

x86, mm: Undo incorrect revert in arch/x86/mm/init.c

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@...nel.org>
Link: http://lkml.kernel.org/r/CAE9FiQW_vuaYQbmagVnxT2DGsYc=9tNeAbdBq53sYkitPOwxSQ@mail.gmail.com
Acked-by: Jacob Shin <jacob.shin@....com>
Signed-off-by: H. Peter Anvin <hpa@...ux.intel.com>
---
 arch/x86/mm/init.c |    4 ----
 1 files changed, 0 insertions(+), 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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