2.4.17-pre8

 fs

diff -Naur -X /home/marcelo/lib/dontdiff linux-2.4.16/fs/exec.c linux/fs/exec.c
--- linux-2.4.16/fs/exec.c   Mon Nov 26 10:35:00 2001
+++ linux/fs/exec.c   Thu Dec  6 19:57:21 2001
@@ -586,7 +586,7 @@
 flush_failed:
    spin_lock_irq(¤t->sigmask_lock);
    if (current->sig != oldsig) {
-      kfree(current->sig);
+      kmem_cache_free(sigact_cachep, current->sig);
       current->sig = oldsig;
    }
    spin_unlock_irq(¤t->sigmask_lock);
@@ -973,9 +973,7 @@
    if (do_truncate(file->f_dentry, 0) != 0)
       goto close_fail;
 
-   down_read(¤t->mm->mmap_sem);
    retval = binfmt->core_dump(signr, regs, file);
-   up_read(¤t->mm->mmap_sem);
 
 close_fail:
    filp_close(file, NULL);