Re: [RFC 3/3] pseries: sysfs hack to trigger a hash page table resize

2015-12-23 Thread David Gibson
On Wed, Dec 23, 2015 at 03:16:39PM +0300, Denis Kirjanov wrote: > On 12/23/15, David Gibson wrote: > > On Tue, Dec 22, 2015 at 02:19:20PM +0300, Denis Kirjanov wrote: > >> On 12/22/15, David Gibson wrote: > >> > This patch adds a special file in /sys/kernel/mm which can be used to > >> > view > >

Re: [RFC 3/3] pseries: sysfs hack to trigger a hash page table resize

2015-12-23 Thread Denis Kirjanov
On 12/23/15, David Gibson wrote: > On Tue, Dec 22, 2015 at 02:19:20PM +0300, Denis Kirjanov wrote: >> On 12/22/15, David Gibson wrote: >> > This patch adds a special file in /sys/kernel/mm which can be used to >> > view >> > the current size of the hash page table (as a bit shift) and to trigger

Re: [RFC 3/3] pseries: sysfs hack to trigger a hash page table resize

2015-12-23 Thread David Gibson
On Tue, Dec 22, 2015 at 02:19:20PM +0300, Denis Kirjanov wrote: > On 12/22/15, David Gibson wrote: > > This patch adds a special file in /sys/kernel/mm which can be used to view > > the current size of the hash page table (as a bit shift) and to trigger > > a resize of the hash table on PAPR guest

Re: [RFC 3/3] pseries: sysfs hack to trigger a hash page table resize

2015-12-22 Thread Denis Kirjanov
On 12/22/15, David Gibson wrote: > This patch adds a special file in /sys/kernel/mm which can be used to view > the current size of the hash page table (as a bit shift) and to trigger > a resize of the hash table on PAPR guests. > > Logically this would make more sense as a debugfs file, but that