Christoph Lameter <[EMAIL PROTECTED]> writes: > Switch off PF_MEMALLOC during both direct and kswapd reclaim. > > This works because we are not holding any locks at that point because > reclaim is essentially complete. The write occurs when the memory on > the zones is at the high water mark so it is unlikely that writeout > will get into trouble. If so then reclaim can be called recursively to > reclaim more pages.
What would stop multiple recursions in extreme low memory cases? Seems risky to me and risking stack overflow. Perhaps define another flag to catch that? -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
