On Fri, Jun 23, 2023 at 04:29:39PM +1000, Dave Chinner wrote:
> On Thu, Jun 22, 2023 at 05:12:02PM +0200, Vlastimil Babka wrote:
> > On 6/22/23 10:53, Qi Zheng wrote:
> > > @@ -1067,33 +1068,27 @@ static unsigned long shrink_slab(gfp_t gfp_mask,
> > > int nid,
> > > if (!mem_cgroup_disabled()
On 2023/7/4 11:45, Qi Zheng wrote:
On 2023/7/4 00:39, Paul E. McKenney wrote:
On Fri, Jun 23, 2023 at 04:29:39PM +1000, Dave Chinner wrote:
On Thu, Jun 22, 2023 at 05:12:02PM +0200, Vlastimil Babka wrote:
On 6/22/23 10:53, Qi Zheng wrote:
@@ -1067,33 +1068,27 @@ static unsigned long
On 2023/7/4 00:39, Paul E. McKenney wrote:
On Fri, Jun 23, 2023 at 04:29:39PM +1000, Dave Chinner wrote:
On Thu, Jun 22, 2023 at 05:12:02PM +0200, Vlastimil Babka wrote:
On 6/22/23 10:53, Qi Zheng wrote:
@@ -1067,33 +1068,27 @@ static unsigned long shrink_slab(gfp_t gfp_mask, int
nid,
Hi Dave,
On 2023/6/24 19:08, Qi Zheng wrote:
Hi Dave,
On 2023/6/24 06:19, Dave Chinner wrote:
On Fri, Jun 23, 2023 at 09:10:57PM +0800, Qi Zheng wrote:
On 2023/6/23 14:29, Dave Chinner wrote:
On Thu, Jun 22, 2023 at 05:12:02PM +0200, Vlastimil Babka wrote:
On 6/22/23 10:53, Qi Zheng wrote:
On 2023/6/24 19:08, Qi Zheng wrote:
Hi Dave,
On 2023/6/24 06:19, Dave Chinner wrote:
On Fri, Jun 23, 2023 at 09:10:57PM +0800, Qi Zheng wrote:
On 2023/6/23 14:29, Dave Chinner wrote:
On Thu, Jun 22, 2023 at 05:12:02PM +0200, Vlastimil Babka wrote:
On 6/22/23 10:53, Qi Zheng wrote:
Yes,
On 2023/6/22 23:12, Vlastimil Babka wrote:
On 6/22/23 10:53, Qi Zheng wrote:
The shrinker_rwsem is a global read-write lock in
shrinkers subsystem, which protects most operations
such as slab shrink, registration and unregistration
of shrinkers, etc. This can easily cause problems in
the
> 2023年6月23日 上午12:42，Qi Zheng 写道：
>
>
>
> On 2023/6/22 23:12, Vlastimil Babka wrote:
>> On 6/22/23 10:53, Qi Zheng wrote:
>>> The shrinker_rwsem is a global read-write lock in
>>> shrinkers subsystem, which protects most operations
>>> such as slab shrink, registration and unregistration
>>>
On 2023/6/23 01:41, Alan Huang wrote:
2023年6月23日 上午12:42，Qi Zheng 写道：
On 2023/6/22 23:12, Vlastimil Babka wrote:
On 6/22/23 10:53, Qi Zheng wrote:
The shrinker_rwsem is a global read-write lock in
shrinkers subsystem, which protects most operations
such as slab shrink, registration
Hi Dave,
On 2023/6/24 06:19, Dave Chinner wrote:
On Fri, Jun 23, 2023 at 09:10:57PM +0800, Qi Zheng wrote:
On 2023/6/23 14:29, Dave Chinner wrote:
On Thu, Jun 22, 2023 at 05:12:02PM +0200, Vlastimil Babka wrote:
On 6/22/23 10:53, Qi Zheng wrote:
Yes, I suggested the IDR route because radix
On 2023/6/23 14:29, Dave Chinner wrote:
On Thu, Jun 22, 2023 at 05:12:02PM +0200, Vlastimil Babka wrote:
On 6/22/23 10:53, Qi Zheng wrote:
@@ -1067,33 +1068,27 @@ static unsigned long shrink_slab(gfp_t gfp_mask, int
nid,
if (!mem_cgroup_disabled() && !mem_cgroup_is_root(memcg))
On Fri, Jun 23, 2023 at 09:10:57PM +0800, Qi Zheng wrote:
> On 2023/6/23 14:29, Dave Chinner wrote:
> > On Thu, Jun 22, 2023 at 05:12:02PM +0200, Vlastimil Babka wrote:
> > > On 6/22/23 10:53, Qi Zheng wrote:
> > Yes, I suggested the IDR route because radix tree lookups under RCU
> > with
On Thu, Jun 22, 2023 at 05:12:02PM +0200, Vlastimil Babka wrote:
> On 6/22/23 10:53, Qi Zheng wrote:
> > @@ -1067,33 +1068,27 @@ static unsigned long shrink_slab(gfp_t gfp_mask,
> > int nid,
> > if (!mem_cgroup_disabled() && !mem_cgroup_is_root(memcg))
> > return
On 6/22/23 10:53, Qi Zheng wrote:
> The shrinker_rwsem is a global read-write lock in
> shrinkers subsystem, which protects most operations
> such as slab shrink, registration and unregistration
> of shrinkers, etc. This can easily cause problems in
> the following cases.
>
> 1) When the memory
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