Dave,
On Tue, Apr 13 2021 at 19:58, Dave Chinner wrote:
> On Tue, Apr 13, 2021 at 01:18:35AM +0200, Thomas Gleixner wrote:
> So for solving the inode cache scalability issue with RT in mind,
> we're left with these choices:
>
> a) increase memory consumption and cacheline misses for everyone by
>
On Tue, Apr 13, 2021 at 01:18:35AM +0200, Thomas Gleixner wrote:
> Dave,
>
> On Tue, Apr 13 2021 at 08:15, Dave Chinner wrote:
> > On Mon, Apr 12, 2021 at 05:20:53PM +0200, Thomas Gleixner wrote:
> >> On Wed, Apr 07 2021 at 07:22, Dave Chinner wrote:
> >> > And, FWIW, I'm also aware of the problem
Dave,
On Tue, Apr 13 2021 at 08:15, Dave Chinner wrote:
> On Mon, Apr 12, 2021 at 05:20:53PM +0200, Thomas Gleixner wrote:
>> On Wed, Apr 07 2021 at 07:22, Dave Chinner wrote:
>> > And, FWIW, I'm also aware of the problems that RT kernels have with
>> > the use of bit spinlocks and being unable to
On Mon, Apr 12, 2021 at 05:20:53PM +0200, Thomas Gleixner wrote:
> Dave,
>
> On Wed, Apr 07 2021 at 07:22, Dave Chinner wrote:
> > On Tue, Apr 06, 2021 at 02:28:34PM +0100, Matthew Wilcox wrote:
> >> On Tue, Apr 06, 2021 at 10:33:43PM +1000, Dave Chinner wrote:
> >> > +++ b/fs/inode.c
> >> > @@ -5
Dave,
On Wed, Apr 07 2021 at 07:22, Dave Chinner wrote:
> On Tue, Apr 06, 2021 at 02:28:34PM +0100, Matthew Wilcox wrote:
>> On Tue, Apr 06, 2021 at 10:33:43PM +1000, Dave Chinner wrote:
>> > +++ b/fs/inode.c
>> > @@ -57,8 +57,7 @@
>> >
>> > static unsigned int i_hash_mask __read_mostly;
>> >
On Tue, Apr 06, 2021 at 02:28:34PM +0100, Matthew Wilcox wrote:
> On Tue, Apr 06, 2021 at 10:33:43PM +1000, Dave Chinner wrote:
> > +++ b/fs/inode.c
> > @@ -57,8 +57,7 @@
> >
> > static unsigned int i_hash_mask __read_mostly;
> > static unsigned int i_hash_shift __read_mostly;
> > -static struc
On Tue, Apr 06, 2021 at 10:33:43PM +1000, Dave Chinner wrote:
> +++ b/fs/inode.c
> @@ -57,8 +57,7 @@
>
> static unsigned int i_hash_mask __read_mostly;
> static unsigned int i_hash_shift __read_mostly;
> -static struct hlist_head *inode_hashtable __read_mostly;
> -static __cacheline_aligned_in_
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