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Diffstat (limited to 'kernel/fork.c')
-rw-r--r--kernel/fork.c18
1 files changed, 6 insertions, 12 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index f1688b3e79a6..3da0f08615a9 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -2132,9 +2132,7 @@ __latent_entropy struct task_struct *copy_process(
p->pagefault_disabled = 0;
-#ifdef CONFIG_LOCKDEP
lockdep_init_task(p);
-#endif
p->blocked_on = NULL; /* not blocked yet */
@@ -2547,11 +2545,9 @@ struct task_struct * __init fork_idle(int cpu)
struct task_struct *create_io_thread(int (*fn)(void *), void *arg, int node)
{
unsigned long flags = CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|
- CLONE_IO;
+ CLONE_IO|CLONE_VM|CLONE_UNTRACED;
struct kernel_clone_args args = {
- .flags = ((lower_32_bits(flags) | CLONE_VM |
- CLONE_UNTRACED) & ~CSIGNAL),
- .exit_signal = (lower_32_bits(flags) & CSIGNAL),
+ .flags = flags,
.fn = fn,
.fn_arg = arg,
.io_thread = 1,
@@ -2663,9 +2659,8 @@ pid_t kernel_thread(int (*fn)(void *), void *arg, const char *name,
unsigned long flags)
{
struct kernel_clone_args args = {
- .flags = ((lower_32_bits(flags) | CLONE_VM |
- CLONE_UNTRACED) & ~CSIGNAL),
- .exit_signal = (lower_32_bits(flags) & CSIGNAL),
+ .flags = ((flags | CLONE_VM | CLONE_UNTRACED) & ~CSIGNAL),
+ .exit_signal = (flags & CSIGNAL),
.fn = fn,
.fn_arg = arg,
.name = name,
@@ -2681,9 +2676,8 @@ pid_t kernel_thread(int (*fn)(void *), void *arg, const char *name,
pid_t user_mode_thread(int (*fn)(void *), void *arg, unsigned long flags)
{
struct kernel_clone_args args = {
- .flags = ((lower_32_bits(flags) | CLONE_VM |
- CLONE_UNTRACED) & ~CSIGNAL),
- .exit_signal = (lower_32_bits(flags) & CSIGNAL),
+ .flags = ((flags | CLONE_VM | CLONE_UNTRACED) & ~CSIGNAL),
+ .exit_signal = (flags & CSIGNAL),
.fn = fn,
.fn_arg = arg,
};