x86: Use common threadinfo allocator
The only difference is the free_thread_info function, which frees
xstate.
Use the new arch_release_task_struct() function instead and switch
over to the core allocator.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20120505150141.559556763@linutronix.de
Cc: x86@kernel.org
diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
index 58b7f27..344faf8 100644
--- a/arch/x86/kernel/irq_32.c
+++ b/arch/x86/kernel/irq_32.c
@@ -127,8 +127,8 @@
return;
irqctx = page_address(alloc_pages_node(cpu_to_node(cpu),
- THREAD_FLAGS,
- THREAD_ORDER));
+ THREADINFO_GFP,
+ THREAD_SIZE_ORDER));
memset(&irqctx->tinfo, 0, sizeof(struct thread_info));
irqctx->tinfo.cpu = cpu;
irqctx->tinfo.preempt_count = HARDIRQ_OFFSET;
@@ -137,8 +137,8 @@
per_cpu(hardirq_ctx, cpu) = irqctx;
irqctx = page_address(alloc_pages_node(cpu_to_node(cpu),
- THREAD_FLAGS,
- THREAD_ORDER));
+ THREADINFO_GFP,
+ THREAD_SIZE_ORDER));
memset(&irqctx->tinfo, 0, sizeof(struct thread_info));
irqctx->tinfo.cpu = cpu;
irqctx->tinfo.addr_limit = MAKE_MM_SEG(0);
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 8215458..e817315 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -76,10 +76,9 @@
fpu_free(&tsk->thread.fpu);
}
-void free_thread_info(struct thread_info *ti)
+void arch_release_task_struct(struct task_struct *tsk)
{
- free_thread_xstate(ti->task);
- free_pages((unsigned long)ti, THREAD_ORDER);
+ free_thread_xstate(tsk);
}
void arch_task_cache_init(void)