Re: [Xen-devel] [PATCH v3 0/1] xen/blkback: Squeeze page pools if a memory pressure

2019-12-09 Thread Jürgen Groß
On 09.12.19 09:58, SeongJae Park wrote: Each `blkif` has a free pages pool for the grant mapping. The size of the pool starts from zero and be increased on demand while processing the I/O requests. If current I/O requests handling is finished or 100 milliseconds has passed since last I/O reques

Re: [Xen-devel] [PATCH v3 0/1] xen/blkback: Squeeze page pools if a memory pressure

2019-12-09 Thread Durrant, Paul
> -Original Message- > From: Jürgen Groß > Sent: 09 December 2019 09:39 > To: Park, Seongjae ; ax...@kernel.dk; > konrad.w...@oracle.com; roger@citrix.com > Cc: linux-bl...@vger.kernel.org; linux-ker...@vger.kernel.org; Durrant, > Paul ; sj38.p...@gmail.com; xen- > de...@lists.xenproje

Re: [Xen-devel] [PATCH v3 0/1] xen/blkback: Squeeze page pools if a memory pressure

2019-12-09 Thread Jürgen Groß
On 09.12.19 10:46, Durrant, Paul wrote: -Original Message- From: Jürgen Groß Sent: 09 December 2019 09:39 To: Park, Seongjae ; ax...@kernel.dk; konrad.w...@oracle.com; roger@citrix.com Cc: linux-bl...@vger.kernel.org; linux-ker...@vger.kernel.org; Durrant, Paul ; sj38.p...@gmail.com;

Re: [Xen-devel] [PATCH v3 0/1] xen/blkback: Squeeze page pools if a memory pressure

2019-12-09 Thread SeongJae Park
On Mon, 9 Dec 2019 10:39:02 +0100 Juergen wrote: >On 09.12.19 09:58, SeongJae Park wrote: >> Each `blkif` has a free pages pool for the grant mapping. The size of >> the pool starts from zero and be increased on demand while processing >> the I/O requests. If current I/O requests handling is

Re: [Xen-devel] [PATCH v3 0/1] xen/blkback: Squeeze page pools if a memory pressure

2019-12-09 Thread Jürgen Groß
On 09.12.19 11:23, SeongJae Park wrote: On Mon, 9 Dec 2019 10:39:02 +0100 Juergen wrote: On 09.12.19 09:58, SeongJae Park wrote: Each `blkif` has a free pages pool for the grant mapping. The size of the pool starts from zero and be increased on demand while processing the I/O requests. I

Re: [Xen-devel] [PATCH v3 0/1] xen/blkback: Squeeze page pools if a memory pressure

2019-12-09 Thread SeongJae Park
On Mon, 9 Dec 2019 11:15:22 +0100 "Jürgen Groß" wrote: >On 09.12.19 10:46, Durrant, Paul wrote: >>> -Original Message- >>> From: Jürgen Groß >>> Sent: 09 December 2019 09:39 >>> To: Park, Seongjae ; ax...@kernel.dk; >>> konrad.w...@oracle.com; roger@citrix.com >>> Cc: linux-bl...@vge

Re: [Xen-devel] [PATCH v3 0/1] xen/blkback: Squeeze page pools if a memory pressure

2019-12-09 Thread Jürgen Groß
On 09.12.19 11:52, SeongJae Park wrote: On Mon, 9 Dec 2019 11:15:22 +0100 "Jürgen Groß" wrote: On 09.12.19 10:46, Durrant, Paul wrote: -Original Message- From: Jürgen Groß Sent: 09 December 2019 09:39 To: Park, Seongjae ; ax...@kernel.dk; konrad.w...@oracle.com; roger@citrix.com

Re: [Xen-devel] [PATCH v3 0/1] xen/blkback: Squeeze page pools if a memory pressure

2019-12-09 Thread SeongJae Park
On Mon, 9 Dec 2019 12:08:10 +0100 "Jürgen Groß" wrote: >On 09.12.19 11:52, SeongJae Park wrote: >> On Mon, 9 Dec 2019 11:15:22 +0100 "Jürgen Groß" wrote: >> >>> On 09.12.19 10:46, Durrant, Paul wrote: > -Original Message- > From: Jürgen Groß > Sent: 09 December 2019 09:39 >>