On Mon, Jul 4, 2011 at 4:39 AM, Dmitry Fink <finikk@xxxxxxxxx> wrote: > shmem pages can't be reclaimed and if they are swapped out > that doesn't affect the overall available memory in the system, > so don't count them along with the rest of the file backed pages. > > Signed-off-by: Dmitry Fink <dmitry.fink@xxxxxxxx> Reviewed-by: Minchan Kim <minchan.kim@xxxxxxxxx> I am not sure the description is good. :( But I think this patch is reasonable. In swapless system,guessing overcommit can have a problem. And in current implementation of OVERCOMMIT_GUESS, we consider anon pages as empty space of swap so shmem pages should be accounted by that. -- Kind regards, Minchan Kim -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>