diff options
| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2007-05-02 13:27:12 -0400 |
|---|---|---|
| committer | Andi Kleen <andi@basil.nowhere.org> | 2007-05-02 13:27:12 -0400 |
| commit | b6e3590f8145c77b8fcef3247e2412335221412f (patch) | |
| tree | 47fb1a28e41fd9f4e1aef45b5482b69b8d7c154e /arch/i386 | |
| parent | de90c5ce832b1218042316260ff9268b00fdcba3 (diff) | |
[PATCH] x86: Allow percpu variables to be page-aligned
Let's allow page-alignment in general for per-cpu data (wanted by Xen, and
Ingo suggested KVM as well).
Because larger alignments can use more room, we increase the max per-cpu
memory to 64k rather than 32k: it's getting a little tight.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Acked-by: Ingo Molnar <mingo@elte.hu>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch/i386')
| -rw-r--r-- | arch/i386/kernel/vmlinux.lds.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/i386/kernel/vmlinux.lds.S b/arch/i386/kernel/vmlinux.lds.S index f4ec72231835..97fe6eac47c9 100644 --- a/arch/i386/kernel/vmlinux.lds.S +++ b/arch/i386/kernel/vmlinux.lds.S | |||
| @@ -194,7 +194,7 @@ SECTIONS | |||
| 194 | __initramfs_end = .; | 194 | __initramfs_end = .; |
| 195 | } | 195 | } |
| 196 | #endif | 196 | #endif |
| 197 | . = ALIGN(L1_CACHE_BYTES); | 197 | . = ALIGN(4096); |
| 198 | .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { | 198 | .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { |
| 199 | __per_cpu_start = .; | 199 | __per_cpu_start = .; |
| 200 | *(.data.percpu) | 200 | *(.data.percpu) |