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authorAndi Kleen <ak@suse.de>2005-09-12 18:49:24 +0200
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-12 10:50:56 -0700
commit47e5701e37cf10948c3f2952870d9f18b6e84965 (patch)
tree7961742d494264e1ade896c77d6ba2834e8fc6d6
parent016102dea838e8526a4bc57821309f0cd9db81b7 (diff)
downloadlinux-linaro-47e5701e37cf10948c3f2952870d9f18b6e84965.tar.gz
[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>
-rw-r--r--arch/x86_64/kernel/smpboot.c11
1 files changed, 0 insertions, 11 deletions
diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c
index 277ce5e91e0..5b7aadbef5f 100644
--- a/arch/x86_64/kernel/smpboot.c
+++ b/arch/x86_64/kernel/smpboot.c
@@ -859,17 +859,6 @@ static __cpuinit void smp_cleanup_boot(void)
* Reset trampoline flag
*/
*((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
}
/*