Messages in this thread Patch in this message | | | Date | Tue, 20 Jul 1999 22:19:13 +0200 (MET DST) | From | Mikael Pettersson <> | Subject | fix for 2.3.11-pre6 swap_out() oops |
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2.3.11-pre6 locked up completely on me, shortly after boot. A task's mm may now be NULL (but only for kernel threads I guess), but swap_out() didn't know this --> boom! With the patch below, my 2.3.11-pre6 is rock solid (touch wood).
/Mikael
--- linux-2.3.11-pre6/mm/vmscan.c.~1~ Tue Jul 20 20:14:21 1999 +++ linux-2.3.11-pre6/mm/vmscan.c Tue Jul 20 21:35:45 1999 @@ -354,7 +354,7 @@ for (; p != &init_task; p = p->next_task) { if (!p->swappable) continue; - if (p->mm->rss <= 0) + if (!p->mm || p->mm->rss <= 0) continue; /* Refresh swap_cnt? */ if (assign) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
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