[PATCH] slab: remove kmem_cache_t

[safe/jmp/linux-2.6] / kernel / fork.c

diff --git a/kernel/fork.c b/kernel/fork.c
index 2133266..2cf74ed 100644 (file)
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -82,26 +82,26 @@ int nr_processes(void)
 #ifndef __HAVE_ARCH_TASK_STRUCT_ALLOCATOR
 # define alloc_task_struct()   kmem_cache_alloc(task_struct_cachep, GFP_KERNEL)
 # define free_task_struct(tsk) kmem_cache_free(task_struct_cachep, (tsk))
-static kmem_cache_t *task_struct_cachep;
+static struct kmem_cache *task_struct_cachep;
 #endif
 
 /* SLAB cache for signal_struct structures (tsk->signal) */
-static kmem_cache_t *signal_cachep;
+static struct kmem_cache *signal_cachep;
 
 /* SLAB cache for sighand_struct structures (tsk->sighand) */
-kmem_cache_t *sighand_cachep;
+struct kmem_cache *sighand_cachep;
 
 /* SLAB cache for files_struct structures (tsk->files) */
-kmem_cache_t *files_cachep;
+struct kmem_cache *files_cachep;
 
 /* SLAB cache for fs_struct structures (tsk->fs) */
-kmem_cache_t *fs_cachep;
+struct kmem_cache *fs_cachep;
 
 /* SLAB cache for vm_area_struct structures */
-kmem_cache_t *vm_area_cachep;
+struct kmem_cache *vm_area_cachep;
 
 /* SLAB cache for mm_struct structures (tsk->mm) */
-static kmem_cache_t *mm_cachep;
+static struct kmem_cache *mm_cachep;
 
 void free_task(struct task_struct *tsk)
 {
@@ -237,7 +237,7 @@ static inline int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
                                goto fail_nomem;
                        charge = len;
                }
-               tmp = kmem_cache_alloc(vm_area_cachep, SLAB_KERNEL);
+               tmp = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
                if (!tmp)
                        goto fail_nomem;
                *tmp = *mpnt;
@@ -319,7 +319,7 @@ static inline void mm_free_pgd(struct mm_struct * mm)
 
  __cacheline_aligned_in_smp DEFINE_SPINLOCK(mmlist_lock);
 
-#define allocate_mm()  (kmem_cache_alloc(mm_cachep, SLAB_KERNEL))
+#define allocate_mm()  (kmem_cache_alloc(mm_cachep, GFP_KERNEL))
 #define free_mm(mm)    (kmem_cache_free(mm_cachep, (mm)))
 
 #include <linux/init_task.h>
@@ -479,6 +479,10 @@ static struct mm_struct *dup_mm(struct task_struct *tsk)
 
        memcpy(mm, oldmm, sizeof(*mm));
 
+       /* Initializing for Swap token stuff */
+       mm->token_priority = 0;
+       mm->last_interval = 0;
+
        if (!mm_init(mm))
                goto fail_nomem;
 
@@ -542,6 +546,10 @@ static int copy_mm(unsigned long clone_flags, struct task_struct * tsk)
                goto fail_nomem;
 
 good_mm:
+       /* Initializing for Swap token stuff */
+       mm->token_priority = 0;
+       mm->last_interval = 0;
+
        tsk->mm = mm;
        tsk->active_mm = mm;
        return 0;
@@ -613,7 +621,7 @@ static struct files_struct *alloc_files(void)
        struct files_struct *newf;
        struct fdtable *fdt;
 
-       newf = kmem_cache_alloc(files_cachep, SLAB_KERNEL);
+       newf = kmem_cache_alloc(files_cachep, GFP_KERNEL);
        if (!newf)
                goto out;
 
@@ -830,7 +838,7 @@ static inline int copy_signal(unsigned long clone_flags, struct task_struct * ts
        if (clone_flags & CLONE_THREAD) {
                atomic_inc(&current->signal->count);
                atomic_inc(&current->signal->live);
-               taskstats_tgid_alloc(current->signal);
+               taskstats_tgid_alloc(current);
                return 0;
        }
        sig = kmem_cache_alloc(signal_cachep, GFP_KERNEL);
@@ -1315,9 +1323,8 @@ struct task_struct * __devinit fork_idle(int cpu)
        struct pt_regs regs;
 
        task = copy_process(CLONE_VM, 0, idle_regs(&regs), 0, NULL, NULL, 0);
-       if (!task)
-               return ERR_PTR(-ENOMEM);
-       init_idle(task, cpu);
+       if (!IS_ERR(task))
+               init_idle(task, cpu);
 
        return task;
 }
@@ -1414,7 +1421,7 @@ long do_fork(unsigned long clone_flags,
 #define ARCH_MIN_MMSTRUCT_ALIGN 0
 #endif
 
-static void sighand_ctor(void *data, kmem_cache_t *cachep, unsigned long flags)
+static void sighand_ctor(void *data, struct kmem_cache *cachep, unsigned long flags)
 {
        struct sighand_struct *sighand = data;