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-rw-r--r--arch/sh/kernel/process.c46
1 files changed, 2 insertions, 44 deletions
diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c
index 325f98b1736d..f2621abdf01d 100644
--- a/arch/sh/kernel/process.c
+++ b/arch/sh/kernel/process.c
@@ -29,52 +29,10 @@ void free_thread_xstate(struct task_struct *tsk)
29 } 29 }
30} 30}
31 31
32#if THREAD_SHIFT < PAGE_SHIFT 32void arch_release_task_struct(struct task_struct *tsk)
33static struct kmem_cache *thread_info_cache;
34
35struct thread_info *alloc_thread_info_node(struct task_struct *tsk, int node)
36{
37 struct thread_info *ti;
38#ifdef CONFIG_DEBUG_STACK_USAGE
39 gfp_t mask = GFP_KERNEL | __GFP_ZERO;
40#else
41 gfp_t mask = GFP_KERNEL;
42#endif
43
44 ti = kmem_cache_alloc_node(thread_info_cache, mask, node);
45 return ti;
46}
47
48void free_thread_info(struct thread_info *ti)
49{
50 free_thread_xstate(ti->task);
51 kmem_cache_free(thread_info_cache, ti);
52}
53
54void thread_info_cache_init(void)
55{
56 thread_info_cache = kmem_cache_create("thread_info", THREAD_SIZE,
57 THREAD_SIZE, SLAB_PANIC, NULL);
58}
59#else
60struct thread_info *alloc_thread_info_node(struct task_struct *tsk, int node)
61{
62#ifdef CONFIG_DEBUG_STACK_USAGE
63 gfp_t mask = GFP_KERNEL | __GFP_ZERO;
64#else
65 gfp_t mask = GFP_KERNEL;
66#endif
67 struct page *page = alloc_pages_node(node, mask, THREAD_SIZE_ORDER);
68
69 return page ? page_address(page) : NULL;
70}
71
72void free_thread_info(struct thread_info *ti)
73{ 33{
74 free_thread_xstate(ti->task); 34 free_thread_xstate(tsk);
75 free_pages((unsigned long)ti, THREAD_SIZE_ORDER);
76} 35}
77#endif /* THREAD_SHIFT < PAGE_SHIFT */
78 36
79void arch_task_cache_init(void) 37void arch_task_cache_init(void)
80{ 38{