sh: Update the alignment when 4K stacks are used.

Use the newly added .bss.page_aligned section for aligning the stacks
rather than THREAD_SIZE.

Signed-off-by: Robert P. J. Day <[e-mail]>
Signed-off-by: Paul Mundt <[e-mail]>

arch/sh/kernel/irq.c

···
 }
 
 #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