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[PATCH] x86-64: Remove freeing of SMP trampoline pages

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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>
This commit is contained in:
Andi Kleen 2005-09-12 18:49:24 +02:00 • committed by Linus Torvalds
parent 016102dea8
commit 47e5701e37
1 changed files with 0 additions and 11 deletions
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11
arch/x86_64/kernel/smpboot.c
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@ -859,17 +859,6 @@ static __cpuinit void smp_cleanup_boot(void)
* Reset trampoline flag * Reset trampoline flag
*/ */
*((volatile int *) phys_to_virt(0x467)) = 0; *((volatile int *) phys_to_virt(0x467)) = 0;
#ifndef CONFIG_HOTPLUG_CPU
/*
* Free pages reserved for SMP bootup.
* When you add hotplug CPU support later remove this
* Note there is more work to be done for later CPU bootup.
*/
free_page((unsigned long) __va(PAGE_SIZE));
free_page((unsigned long) __va(SMP_TRAMPOLINE_BASE));
#endif
} }
/* /*