Re: [PATCH RFC] zswap: reject to compress/store page if zswap_max_pool_percent is 0

2018-05-30 Thread Dan Streetman
On Tue, May 29, 2018 at 10:57 PM, Li Wang wrote: > Hi Dan, > > On Wed, May 30, 2018 at 5:14 AM, Dan Streetman wrote: >> >> On Thu, May 24, 2018 at 5:57 AM, Li Wang wrote: >> > The '/sys/../zswap/stored_pages:' keep raising in zswap test with >> > "zswap.max_pool_percent=0" parameter. But theoret

Re: [PATCH RFC] zswap: reject to compress/store page if zswap_max_pool_percent is 0

2018-05-29 Thread Dan Streetman
On Thu, May 24, 2018 at 5:57 AM, Li Wang wrote: > The '/sys/../zswap/stored_pages:' keep raising in zswap test with > "zswap.max_pool_percent=0" parameter. But theoretically, it should > not compress or store pages any more since there is no space for > compressed pool. > > Reproduce steps: > >

[PATCH RFC] zswap: reject to compress/store page if zswap_max_pool_percent is 0

2018-05-24 Thread Li Wang
The '/sys/../zswap/stored_pages:' keep raising in zswap test with "zswap.max_pool_percent=0" parameter. But theoretically, it should not compress or store pages any more since there is no space for compressed pool. Reproduce steps: 1. Boot kernel with "zswap.enabled=1 zswap.max_pool_percent=17"