Re: svn commit: r288431 - in head/sys: kern sys vm

2015-10-08 Thread John-Mark Gurney
Alan Cox wrote this message on Fri, Oct 02, 2015 at 18:50 -0500: > On Oct 2, 2015, at 10:59 AM, John Baldwin wrote: > > > I think it is not unreasonble to expect that fadvise() incurs system-wide > > affects. A properly implemented WILLNEED that does read-ahead cannot work > > without incurring

Re: svn commit: r288431 - in head/sys: kern sys vm

2015-10-02 Thread Alan Cox
On Oct 2, 2015, at 10:59 AM, John Baldwin wrote: > On Thursday, October 01, 2015 09:58:43 PM Mark Johnston wrote: >> On Thu, Oct 01, 2015 at 09:32:45AM -0700, John Baldwin wrote: >>> On Wednesday, September 30, 2015 11:06:30 PM Mark Johnston wrote: Author: markj Date: Wed Sep 30 23:06:

Re: svn commit: r288431 - in head/sys: kern sys vm

2015-10-02 Thread Mark Johnston
On Fri, Oct 02, 2015 at 08:59:33AM -0700, John Baldwin wrote: > On Thursday, October 01, 2015 09:58:43 PM Mark Johnston wrote: > > On Thu, Oct 01, 2015 at 09:32:45AM -0700, John Baldwin wrote: > > > On Wednesday, September 30, 2015 11:06:30 PM Mark Johnston wrote: > > > > Author: markj > > > > Date

Re: svn commit: r288431 - in head/sys: kern sys vm

2015-10-02 Thread John Baldwin
On Thursday, October 01, 2015 09:58:43 PM Mark Johnston wrote: > On Thu, Oct 01, 2015 at 09:32:45AM -0700, John Baldwin wrote: > > On Wednesday, September 30, 2015 11:06:30 PM Mark Johnston wrote: > > > Author: markj > > > Date: Wed Sep 30 23:06:29 2015 > > > New Revision: 288431 > > > URL: https:/

Re: svn commit: r288431 - in head/sys: kern sys vm

2015-10-01 Thread Mark Johnston
On Thu, Oct 01, 2015 at 09:32:45AM -0700, John Baldwin wrote: > On Wednesday, September 30, 2015 11:06:30 PM Mark Johnston wrote: > > Author: markj > > Date: Wed Sep 30 23:06:29 2015 > > New Revision: 288431 > > URL: https://svnweb.freebsd.org/changeset/base/288431 > > > > Log: > > As a step tow

Re: svn commit: r288431 - in head/sys: kern sys vm

2015-10-01 Thread John Baldwin
On Wednesday, September 30, 2015 11:06:30 PM Mark Johnston wrote: > Author: markj > Date: Wed Sep 30 23:06:29 2015 > New Revision: 288431 > URL: https://svnweb.freebsd.org/changeset/base/288431 > > Log: > As a step towards the elimination of PG_CACHED pages, rework the handling > of POSIX_FADV

svn commit: r288431 - in head/sys: kern sys vm

2015-09-30 Thread Mark Johnston
Author: markj Date: Wed Sep 30 23:06:29 2015 New Revision: 288431 URL: https://svnweb.freebsd.org/changeset/base/288431 Log: As a step towards the elimination of PG_CACHED pages, rework the handling of POSIX_FADV_DONTNEED so that it causes the backing pages to be moved to the head of the ina