x86/i386: Put aligned stack-canary in percpu shared_aligned section
Pack aligned things together into a special section to minimize padding holes. Suggested-by: NEric Dumazet <eric.dumazet@gmail.com> Signed-off-by: NJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Cc: Tejun Heo <tj@kernel.org> LKML-Reference: <4AA035C0.9070202@goop.org> [ queued up in tip:x86/asm because it depends on this commit: x86/i386: Make sure stack-protector segment base is cache aligned ] Signed-off-by: NIngo Molnar <mingo@elte.hu>
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