diff options
| -rw-r--r-- | Documentation/filesystems/proc.txt | 3 | ||||
| -rw-r--r-- | fs/compat.c | 2 | ||||
| -rw-r--r-- | fs/exec.c | 2 | ||||
| -rw-r--r-- | fs/proc/array.c | 3 | ||||
| -rw-r--r-- | fs/proc/task_mmu.c | 19 | ||||
| -rw-r--r-- | include/linux/sched.h | 1 | ||||
| -rw-r--r-- | kernel/fork.c | 2 |
7 files changed, 2 insertions, 30 deletions
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt index 58da9d9b7230..5c86fe95555a 100644 --- a/Documentation/filesystems/proc.txt +++ b/Documentation/filesystems/proc.txt @@ -307,7 +307,7 @@ address perms offset dev inode pathname 08049000-0804a000 rw-p 00001000 03:00 8312 /opt/test 0804a000-0806b000 rw-p 00000000 00:00 0 [heap] a7cb1000-a7cb2000 ---p 00000000 00:00 0 -a7cb2000-a7eb2000 rw-p 00000000 00:00 0 [threadstack:001ff4b4] +a7cb2000-a7eb2000 rw-p 00000000 00:00 0 a7eb2000-a7eb3000 ---p 00000000 00:00 0 a7eb3000-a7ed5000 rw-p 00000000 00:00 0 a7ed5000-a8008000 r-xp 00000000 03:00 4222 /lib/libc.so.6 @@ -343,7 +343,6 @@ is not associated with a file: [stack] = the stack of the main process [vdso] = the "virtual dynamic shared object", the kernel system call handler - [threadstack:xxxxxxxx] = the stack of the thread, xxxxxxxx is the stack size or if empty, the mapping is anonymous. diff --git a/fs/compat.c b/fs/compat.c index 6c19040ffeef..d576b552e8e2 100644 --- a/fs/compat.c +++ b/fs/compat.c @@ -1532,8 +1532,6 @@ int compat_do_execve(char * filename, if (retval < 0) goto out; - current->stack_start = current->mm->start_stack; - /* execve succeeded */ current->fs->in_exec = 0; current->in_execve = 0; diff --git a/fs/exec.c b/fs/exec.c index a2a3944aab0d..56da15f6d771 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1379,8 +1379,6 @@ int do_execve(char * filename, if (retval < 0) goto out; - current->stack_start = current->mm->start_stack; - /* execve succeeded */ current->fs->in_exec = 0; current->in_execve = 0; diff --git a/fs/proc/array.c b/fs/proc/array.c index 240787d2e998..725a650bbbb8 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -82,7 +82,6 @@ #include <linux/pid_namespace.h> #include <linux/ptrace.h> #include <linux/tracehook.h> -#include <linux/swapops.h> #include <asm/pgtable.h> #include <asm/processor.h> @@ -482,7 +481,7 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns, rsslim, mm ? mm->start_code : 0, mm ? mm->end_code : 0, - (permitted && mm) ? task->stack_start : 0, + (permitted && mm) ? mm->start_stack : 0, esp, eip, /* The signal information here is obsolete. diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 2a1bef9203c6..366b1017a4f1 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -243,25 +243,6 @@ static void show_map_vma(struct seq_file *m, struct vm_area_struct *vma) } else if (vma->vm_start <= mm->start_stack && vma->vm_end >= mm->start_stack) { name = "[stack]"; - } else { - unsigned long stack_start; - struct proc_maps_private *pmp; - - pmp = m->private; - stack_start = pmp->task->stack_start; - - if (vma->vm_start <= stack_start && - vma->vm_end >= stack_start) { - pad_len_spaces(m, len); - seq_printf(m, - "[threadstack:%08lx]", -#ifdef CONFIG_STACK_GROWSUP - vma->vm_end - stack_start -#else - stack_start - vma->vm_start -#endif - ); - } } } else { name = "[vdso]"; diff --git a/include/linux/sched.h b/include/linux/sched.h index 70abfd3ee0aa..b2534340748e 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1541,7 +1541,6 @@ struct task_struct { /* bitmask of trace recursion */ unsigned long trace_recursion; #endif /* CONFIG_TRACING */ - unsigned long stack_start; }; /* Future-safe accessor for struct task_struct's cpus_allowed. */ diff --git a/kernel/fork.c b/kernel/fork.c index 166b8c49257c..28b4874bff85 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1123,8 +1123,6 @@ static struct task_struct *copy_process(unsigned long clone_flags, p->bts = NULL; - p->stack_start = stack_start; - /* Perform scheduler related setup. Assign this task to a CPU. */ sched_fork(p, clone_flags); |