i386: Update alignment when 4K stacks are used.

Signed-off-by: NRobert P. J. Day <rpjday@mindspring.com>
Signed-off-by: NAndi Kleen <ak@suse.de>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

arch/i386/kernel/irq.c

@@ -149,15 +149,11 @@ fastcall unsigned int do_IRQ(struct pt_regs *regs)
 
 #ifdef CONFIG_4KSTACKS
 
-/*
- * These should really be __section__(".bss.page_aligned") as well, but
- * gcc's 3.0 and earlier don't handle that correctly.
- */
 static char softirq_stack[NR_CPUS * THREAD_SIZE]
-		__attribute__((__aligned__(THREAD_SIZE)));
+		__attribute__((__section__(".bss.page_aligned")));
 
 static char hardirq_stack[NR_CPUS * THREAD_SIZE]
-		__attribute__((__aligned__(THREAD_SIZE)));
+		__attribute__((__section__(".bss.page_aligned")));
 
 /*
  * allocate per-cpu stacks for hardirq and for softirq processing