Looks good,
Reviewed-by: Christoph Hellwig
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commit 6f42193fd86e ("memremap: don't use a separate devm action for
devmap_managed_enable_get") changed the static key updates such that we
now call devmap_managed_enable_put() without doing the equivalent
devmap_managed_enable_get().
devmap_managed_enable_get() is only called for
On 10/22/20 11:46 PM, Christoph Hellwig wrote:
On Thu, Oct 22, 2020 at 11:19:43AM -0700, Ralph Campbell wrote:
On 10/22/20 8:41 AM, Ira Weiny wrote:
On Thu, Oct 22, 2020 at 11:37:53AM +0530, Aneesh Kumar K.V wrote:
commit 6f42193fd86e ("memremap: don't use a separate devm action for
On Thu, Oct 22, 2020 at 11:19:43AM -0700, Ralph Campbell wrote:
>
> On 10/22/20 8:41 AM, Ira Weiny wrote:
> > On Thu, Oct 22, 2020 at 11:37:53AM +0530, Aneesh Kumar K.V wrote:
> > > commit 6f42193fd86e ("memremap: don't use a separate devm action for
> > > devmap_managed_enable_get") changed the
>> Is it overkill to avoid duplicating this switch logic in
>> page_is_devmap_managed() by creating another call which can be used here?
>
> Perhaps. I can imagine a helper defined in include/linux/mm.h which
> page_is_devmap_managed() could also call but that would impact a lot of
> places that
On 10/23/20 12:40 AM, Ira Weiny wrote:
On Thu, Oct 22, 2020 at 11:19:43AM -0700, Ralph Campbell wrote:
On 10/22/20 8:41 AM, Ira Weiny wrote:
On Thu, Oct 22, 2020 at 11:37:53AM +0530, Aneesh Kumar K.V wrote:
commit 6f42193fd86e ("memremap: don't use a separate devm action for
On Thu, Oct 22, 2020 at 11:19:43AM -0700, Ralph Campbell wrote:
>
> On 10/22/20 8:41 AM, Ira Weiny wrote:
> > On Thu, Oct 22, 2020 at 11:37:53AM +0530, Aneesh Kumar K.V wrote:
> > > commit 6f42193fd86e ("memremap: don't use a separate devm action for
> > > devmap_managed_enable_get") changed the
On 10/22/20 8:41 AM, Ira Weiny wrote:
On Thu, Oct 22, 2020 at 11:37:53AM +0530, Aneesh Kumar K.V wrote:
commit 6f42193fd86e ("memremap: don't use a separate devm action for
devmap_managed_enable_get") changed the static key updates such that we
now call devmap_managed_enable_put() without
On Thu, Oct 22, 2020 at 11:37:53AM +0530, Aneesh Kumar K.V wrote:
> commit 6f42193fd86e ("memremap: don't use a separate devm action for
> devmap_managed_enable_get") changed the static key updates such that we
> now call devmap_managed_enable_put() without doing the equivalent
>
Looks good,
Reviewed-by: Christoph Hellwig
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> jump label: negative count!
> WARNING: CPU: 52 PID: 1335 at kernel/jump_label.c:235
> static_key_slow_try_dec+0x88/0xa0
> Modules linked in:
> ….
>
> Cc: Christoph Hellwig
> Cc: Dan Williams
> Cc: Sachin Sant
> Cc: linux-nvdimm@lists.01.org
> Cc: Ira Weiny
> Cc: Jason Gunthorpe
>
commit 6f42193fd86e ("memremap: don't use a separate devm action for
devmap_managed_enable_get") changed the static key updates such that we
now call devmap_managed_enable_put() without doing the equivalent
devmap_managed_enable_get().
devmap_managed_enable_get() is only called for
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