forked from luck/tmp_suning_uos_patched
[PATCH] x86-64: Remove freeing of SMP trampoline pages
Nick points out it never worked because PageReserved was set and it might cause problems later on. Also HOTPLUG_CPU is much more common now so let's care not too much about the !hotplug case. Cc: nickpiggin@yahoo.com.au Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -859,17 +859,6 @@ static __cpuinit void smp_cleanup_boot(void)
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* Reset trampoline flag
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*/
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*((volatile int *) phys_to_virt(0x467)) = 0;
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#ifndef CONFIG_HOTPLUG_CPU
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/*
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* Free pages reserved for SMP bootup.
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* When you add hotplug CPU support later remove this
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* Note there is more work to be done for later CPU bootup.
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*/
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free_page((unsigned long) __va(PAGE_SIZE));
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free_page((unsigned long) __va(SMP_TRAMPOLINE_BASE));
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#endif
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}
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/*
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