Fix some paging related bugs exposed by the spawn stress test.

- Process::exec() needs to restore the original paging scope when called
  on a non-current process.
- Add missing InterruptDisabler guards around g_processes access.
- Only flush the TLB when modifying the active page tables.

1 files changed, 2 insertions, 2 deletions

diff --git a/Kernel/init.cpp b/Kernel/init.cpp
index 867e15965a..fdea163f6f 100644
--- a/Kernel/init.cpp
+++ b/Kernel/init.cpp
@@ -149,8 +149,8 @@ static void spawn_stress()
     for (unsigned i = 0; i < 10000; ++i) {
         int error;
         Process::create_user_process("/bin/id", (uid_t)100, (gid_t)100, (pid_t)0, error, Vector<String>(), Vector<String>(), tty0);
-//        kprintf("malloc stats: alloc:%u free:%u page_aligned:%u eternal:%u\n", sum_alloc, sum_free, kmalloc_page_aligned, kmalloc_sum_eternal);
-//        kprintf("delta:%u\n", sum_alloc - lastAlloc);
+        kprintf("malloc stats: alloc:%u free:%u page_aligned:%u eternal:%u\n", sum_alloc, sum_free, kmalloc_page_aligned, kmalloc_sum_eternal);
+        kprintf("delta:%u\n", sum_alloc - lastAlloc);
         lastAlloc = sum_alloc;
         sleep(60);
     }