Messages in this thread Patch in this message | | | Date | Wed, 4 Mar 2009 20:01:00 GMT | From | Yinghai Lu <> | Subject | [tip:x86/mm] x86: reserve exact size of mptable |
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Commit-ID: f62432395ec54e93f113091bcb2e2017eeed7683 Gitweb: http://git.kernel.org/tip/f62432395ec54e93f113091bcb2e2017eeed7683 Author: "Yinghai Lu" <yinghai@kernel.org> AuthorDate: Wed, 4 Mar 2009 01:25:54 -0800 Commit: Ingo Molnar <mingo@elte.hu> CommitDate: Wed, 4 Mar 2009 20:55:04 +0100
x86: reserve exact size of mptable
Impact: save a bit of RAM
Get the exact size for the reserve_bootmem() call.
Signed-off-by: Yinghai Lu <yinghai@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> LKML-Reference: <49AE4922.605@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
--- arch/x86/kernel/mpparse.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c index ae9060c..e819240 100644 --- a/arch/x86/kernel/mpparse.c +++ b/arch/x86/kernel/mpparse.c @@ -716,10 +716,10 @@ static int __init smp_scan_config(unsigned long base, unsigned long length, if (!reserve) return 1; - reserve_bootmem_generic(virt_to_phys(mpf), PAGE_SIZE, + reserve_bootmem_generic(virt_to_phys(mpf), sizeof(*mpf), BOOTMEM_DEFAULT); if (mpf->physptr) { - unsigned long size = PAGE_SIZE; + unsigned long size = get_mpc_size(mpf->physptr); #ifdef CONFIG_X86_32 /* * We cannot access to MPC table to compute
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