fork: Provide weak arch_release_[task_struct|thread_info] functions
These functions allow us to move most of the duplicated thread_info allocators to the core code. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/20120505150141.366461660@linutronix.de
This commit is contained in:
Родитель
2889f60814
Коммит
41101809a8
|
@ -112,14 +112,26 @@ int nr_processes(void)
|
|||
}
|
||||
|
||||
#ifndef __HAVE_ARCH_TASK_STRUCT_ALLOCATOR
|
||||
# define alloc_task_struct_node(node) \
|
||||
kmem_cache_alloc_node(task_struct_cachep, GFP_KERNEL, node)
|
||||
# define free_task_struct(tsk) \
|
||||
kmem_cache_free(task_struct_cachep, (tsk))
|
||||
static struct kmem_cache *task_struct_cachep;
|
||||
|
||||
static inline struct task_struct *alloc_task_struct_node(int node)
|
||||
{
|
||||
return kmem_cache_alloc_node(task_struct_cachep, GFP_KERNEL, node);
|
||||
}
|
||||
|
||||
void __weak arch_release_task_struct(struct task_struct *tsk) { }
|
||||
|
||||
static inline void free_task_struct(struct task_struct *tsk)
|
||||
{
|
||||
arch_release_task_struct(tsk);
|
||||
kmem_cache_free(task_struct_cachep, tsk);
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifndef __HAVE_ARCH_THREAD_INFO_ALLOCATOR
|
||||
|
||||
void __weak arch_release_thread_info(struct thread_info *ti) { }
|
||||
|
||||
static struct thread_info *alloc_thread_info_node(struct task_struct *tsk,
|
||||
int node)
|
||||
{
|
||||
|
@ -131,6 +143,7 @@ static struct thread_info *alloc_thread_info_node(struct task_struct *tsk,
|
|||
|
||||
static inline void free_thread_info(struct thread_info *ti)
|
||||
{
|
||||
arch_release_thread_info(ti);
|
||||
free_pages((unsigned long)ti, THREAD_SIZE_ORDER);
|
||||
}
|
||||
#endif
|
||||
|
|
Загрузка…
Ссылка в новой задаче