On Po 27-02-06 19:53:47, Jesper Juhl wrote:
> On 2/27/06, Rafael J. Wysocki <[email protected]> wrote:
> > Make shrink_all_memory() overflow-resistant.
> >
> >
> > Signed-off-by: Rafael J. Wysocki <[email protected]>
> > ---
> > include/linux/swap.h | 2 +-
> > mm/vmscan.c | 9 +++++----
> > 2 files changed, 6 insertions(+), 5 deletions(-)
> >
> > Index: linux-2.6.16-rc4-mm2/mm/vmscan.c
> > ===================================================================
> > --- linux-2.6.16-rc4-mm2.orig/mm/vmscan.c
> > +++ linux-2.6.16-rc4-mm2/mm/vmscan.c
> > @@ -1785,18 +1785,19 @@ void wakeup_kswapd(struct zone *zone, in
> > * Try to free `nr_pages' of memory, system-wide. Returns the number of freed
> > * pages.
> > */
> > -int shrink_all_memory(unsigned long nr_pages)
> > +unsigned long shrink_all_memory(unsigned int nr_pages)
>
> What about the callers of shrink_all_memory() who currently expect it
> to return an int, have you checked how they will react to you changing
> the return type (and signedness) ?
That's okay, we checked all 3 callers :-).
Pavel
--
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