From: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
To: linux-kernel@vger.kernel.org
Cc: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
x86@kernel.org, Yinghai Lu <yinghai@kernel.org>,
Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Subject: [PATCH] x86: do not reserve brk for DMI if it's not going to be used
Date: Tue, 9 Feb 2010 21:38:45 -0200 [thread overview]
Message-ID: <1265758732-19320-1-git-send-email-cascardo@holoscopio.com> (raw)
This will save 65536 bytes from memory when loading linux, which is good
for embedded systems.
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
---
arch/x86/kernel/setup.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 3499b4f..cb42109 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -121,7 +121,9 @@
unsigned long max_low_pfn_mapped;
unsigned long max_pfn_mapped;
+#ifdef CONFIG_DMI
RESERVE_BRK(dmi_alloc, 65536);
+#endif
unsigned int boot_cpu_id __read_mostly;
--
1.6.6.1
next reply other threads:[~2010-02-09 23:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-09 23:38 Thadeu Lima de Souza Cascardo [this message]
2010-02-17 19:52 ` [tip:x86/mm] x86: Do " tip-bot for Thadeu Lima de Souza Cascardo
2010-02-25 10:10 ` tip-bot for Thadeu Lima de Souza Cascardo
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