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remote TLB invalidation code for multi-threaded applications (e.g., during munmap())

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Balazs Gerofi bgerofi@riken.jp
2014-07-22 12:24:07 +09:00
parent a5b36e2b51
commit 101a0f6e4a
11 changed files with 435 additions and 33 deletions
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4
kernel/syscall.c
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@@ -1278,6 +1278,8 @@ SYSCALL_DECLARE(clone)
return -ENOMEM;
}
cpu_set(cpuid, &new->vm->cpu_set, &new->vm->cpu_set_lock);
if (clone_flags & CLONE_VM) {
new->pid = cpu_local_var(current)->pid;
@@ -2592,7 +2594,7 @@ SYSCALL_DECLARE(mremap)
if (oldsize > 0) {
size = (oldsize < newsize)? oldsize: newsize;
ihk_mc_spinlock_lock_noirq(&vm->page_table_lock);
error = move_pte_range(vm->page_table,
error = move_pte_range(vm->page_table, vm,
(void *)oldstart, (void *)newstart,
size);
ihk_mc_spinlock_unlock_noirq(&vm->page_table_lock);