Hey Greg, Haven't heard back from you on this patch and it needs to get into the 3.4 -rc releases ASAP. It fixes a substantial memory leak when frontswap/zcache are enabled. Let me know if you need me to repost. The patch was sent on 4/2. Thanks, Seth On 04/04/2012 11:26 AM, Seth Jennings wrote: > On 04/04/2012 11:03 AM, Dan Magenheimer wrote: >>> From: Seth Jennings [mailto:sjenning@xxxxxxxxxxxxxxxxxx] >>> Sent: Monday, April 02, 2012 8:14 AM >>> To: Greg Kroah-Hartman >>> Cc: Nitin Gupta; Dan Magenheimer; Konrad Rzeszutek Wilk; Robert Jennings; Seth Jennings; >>> devel@xxxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linux-mm@xxxxxxxxx >>> Subject: [PATCH] staging: zsmalloc: fix memory leak >>> >>> From: Nitin Gupta <ngupta@xxxxxxxxxx> >>> >>> This patch fixes a memory leak in zsmalloc where the first >>> subpage of each zspage is leaked when the zspage is freed. >>> >>> Based on 3.4-rc1. >>> >>> Signed-off-by: Nitin Gupta <ngupta@xxxxxxxxxx> >>> Acked-by: Seth Jennings <sjenning@xxxxxxxxxxxxxxxxxx> >> >> This is a rather severe memory leak and will affect most >> benchmarking anyone does to evaluate zcache in 3.4 (e.g. as >> to whether zcache is suitable for promotion), so t'would be nice >> to get this patch in for -rc2. (Note it fixes a "regression" >> since it affects zcache only in 3.4+ because the fix is to >> the new zsmalloc allocator... so no change to stable trees.) >> >> Acked-by: Dan Magenheimer <dan.magenheimer@xxxxxxxxxx> > > Thanks Dan for this clarification and the Ack. > > I should have tagged this as urgent for the 3.4 release > and no impact on stable trees, since 3.4 is the first release > with this code. > > -- > Seth -- 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>