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>
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1 changed files with 2 additions and 2 deletions
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@ -716,10 +716,10 @@ static int __init smp_scan_config(unsigned long base, unsigned long length,
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if (!reserve)
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if (!reserve)
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return 1;
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return 1;
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reserve_bootmem_generic(virt_to_phys(mpf), PAGE_SIZE,
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reserve_bootmem_generic(virt_to_phys(mpf), sizeof(*mpf),
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BOOTMEM_DEFAULT);
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BOOTMEM_DEFAULT);
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if (mpf->physptr) {
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if (mpf->physptr) {
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unsigned long size = PAGE_SIZE;
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unsigned long size = get_mpc_size(mpf->physptr);
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#ifdef CONFIG_X86_32
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#ifdef CONFIG_X86_32
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/*
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/*
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* We cannot access to MPC table to compute
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* We cannot access to MPC table to compute
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