"Stephen C. Tweedie" <[EMAIL PROTECTED]> wrote: > > Andrew, what was the exact illegal state of the pages you were seeing > when fixing that recent leak? It looks like it's nothing more complex > than dirty buffers on an anon page.
Correct. > I think that simply calling > try_to_release_page() for all the remaining buffers at umount time will Presumably these pages have no ->mapping, so try_to_release_page() will call try_to_free_buffers(). > be enough to catch these; if that function fails, it tells us that the > VM can't reclaim these pages. Yes, if the buffers are dirty then 2.4's try_to_free_buffers() won't free them. > The only thing that would be required on > top of that would be a check that the page is also on the VM LRU lists. Why do we have dirty buffers left over at umount time? - 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/