linux-kernel - [tip:x86/mm] x86: add stub init_gbpages() for 32-bit init_memory

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Date:	Thu, 5 Mar 2009 13:38:18 GMT
From:	Pekka Enberg <penberg@...helsinki.fi>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	yinghai@...nel.org, penberg@...helsinki.fi, tglx@...utronix.de,
	mingo@...e.hu
Subject: [tip:x86/mm] x86: add stub init_gbpages() for 32-bit init_memory_mapping()

Commit-ID:  0c0f756fd679d9747d52dad51fce3a5bb362eec3
Gitweb:     http://git.kernel.org/tip/0c0f756fd679d9747d52dad51fce3a5bb362eec3
Author:     "Pekka Enberg" <penberg@...helsinki.fi>
AuthorDate: Thu, 5 Mar 2009 14:55:04 +0200
Commit:     Ingo Molnar <mingo@...e.hu>
CommitDate: Thu, 5 Mar 2009 14:17:16 +0100

x86: add stub init_gbpages() for 32-bit init_memory_mapping()

Impact: cleanup

This patch adds an empty static inline init_gbpages() for the 32-bit
version of init_memory_mapping() making both versions identical.

Signed-off-by: Pekka Enberg <penberg@...helsinki.fi>
Cc: Yinghai Lu <yinghai@...nel.org>
LKML-Reference: <1236257708-27269-13-git-send-email-penberg@...helsinki.fi>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 arch/x86/mm/init_32.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index f59e9b8..cd3c24b 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -922,6 +922,10 @@ static int save_mr(struct map_range *mr, int nr_range,
 	return nr_range;
 }
 
+static inline void init_gbpages(void)
+{
+}
+
 /*
  * Setup the direct mapping of the physical memory at PAGE_OFFSET.
  * This runs before bootmem is initialized and gets pages directly from
@@ -941,6 +945,9 @@ unsigned long __init_refok init_memory_mapping(unsigned long start,
 
 	printk(KERN_INFO "init_memory_mapping: %016lx-%016lx\n", start, end);
 
+	if (!after_bootmem)
+		init_gbpages();
+
 #ifdef CONFIG_DEBUG_PAGEALLOC
 	/*
 	 * For CONFIG_DEBUG_PAGEALLOC, identity mapping will use small pages.
--
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