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SubjectRe: [PATCH] oom killer (Core)
On Fri, Dec 03, 2004 at 03:28:54AM +0100, Andrea Arcangeli wrote:
> + if (mm == &init_mm) {
> + mmput(mm);
> + return NULL;
> + }

On Fri, Dec 03, 2004 at 03:28:54AM +0100, Andrea Arcangeli wrote:
> + if (PTR_ERR(p) == -1UL)
> + goto out;
> +
> /* Found nothing?!?! Either we hang forever, or we panic. */
> if (!p) {
> + read_unlock(&tasklist_lock);
> show_free_areas();
> panic("Out of memory and no killable processes...\n");
> }

Maybe the mm == &init_mm case should return an ERR_PTR also, as that is
a sign of a transient error, not cause for a hard panic.


-- wli
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