#include <linux/posix-timers.h>
#include <linux/user-return-notifier.h>
#include <linux/oom.h>
+#include <linux/khugepaged.h>
#include <asm/pgtable.h>
#include <asm/pgalloc.h>
rb_parent = NULL;
pprev = &mm->mmap;
retval = ksm_fork(mm, oldmm);
+ if (retval)
+ goto out;
+ retval = khugepaged_fork(mm, oldmm);
if (retval)
goto out;
mm_free_pgd(mm);
destroy_context(mm);
mmu_notifier_mm_destroy(mm);
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+ VM_BUG_ON(mm->pmd_huge_pte);
+#endif
free_mm(mm);
}
EXPORT_SYMBOL_GPL(__mmdrop);
if (atomic_dec_and_test(&mm->mm_users)) {
exit_aio(mm);
ksm_exit(mm);
+ khugepaged_exit(mm); /* must run before exit_mmap */
exit_mmap(mm);
set_mm_exe_file(mm, NULL);
if (!list_empty(&mm->mmlist)) {
mm->token_priority = 0;
mm->last_interval = 0;
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+ mm->pmd_huge_pte = NULL;
+#endif
+
if (!mm_init(mm, tsk))
goto fail_nomem;
sig->oom_adj = current->signal->oom_adj;
sig->oom_score_adj = current->signal->oom_score_adj;
+ sig->oom_score_adj_min = current->signal->oom_score_adj_min;
mutex_init(&sig->cred_guard_mutex);
return -EPERM;
}
- /*
- * We hope to recycle these flags after 2.6.26
- */
- if (unlikely(clone_flags & CLONE_STOPPED)) {
- static int __read_mostly count = 100;
-
- if (count > 0 && printk_ratelimit()) {
- char comm[TASK_COMM_LEN];
-
- count--;
- printk(KERN_INFO "fork(): process `%s' used deprecated "
- "clone flags 0x%lx\n",
- get_task_comm(comm, current),
- clone_flags & CLONE_STOPPED);
- }
- }
-
/*
* When called from kernel_thread, don't do user tracing stuff.
*/
*/
p->flags &= ~PF_STARTING;
- if (unlikely(clone_flags & CLONE_STOPPED)) {
- /*
- * We'll start up with an immediate SIGSTOP.
- */
- sigaddset(&p->pending.signal, SIGSTOP);
- set_tsk_thread_flag(p, TIF_SIGPENDING);
- __set_task_state(p, TASK_STOPPED);
- } else {
- wake_up_new_task(p, clone_flags);
- }
+ wake_up_new_task(p, clone_flags);
tracehook_report_clone_complete(trace, regs,
clone_flags, nr, p);