[PATCH 1/5] Documentation: proc: fix repeated word 'page'

[PATCH 1/5] Documentation: proc: fix repeated word 'page'

[Yahya Toubali]

Remove duplicate 'page' in the large allocation accounting description.

Signed-off-by: Yahya Toubali <yahya@yahyatoubali.me>
---
 Documentation/filesystems/proc.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/filesystems/proc.rst b/Documentation/filesystems/proc.rst
index 2ccd5b2dfdd3..d22ac0addd42 100644
--- a/Documentation/filesystems/proc.rst
+++ b/Documentation/filesystems/proc.rst
@@ -513,7 +513,7 @@ In some kernel configurations, the semantics of pages part of a larger
 allocation (e.g., THP) can differ: a page is accounted as "private" if all
 pages part of the corresponding large allocation are *certainly* mapped in the
 same process, even if the page is mapped multiple times in that process. A
-page is accounted as "shared" if any page page of the larger allocation
+page is accounted as "shared" if any page of the larger allocation
 is *maybe* mapped in a different process. In some cases, a large allocation
 might be treated as "maybe mapped by multiple processes" even though this
 is no longer the case.
-- 
2.55.0

[PATCH 2/5] Documentation: admin-guide: fix trailing whitespace in cgroup-v2.rst

[Yahya Toubali]

Remove trailing spaces on lines 1335 and 2197.

Signed-off-by: Yahya Toubali <yahya@yahyatoubali.me>
---
 Documentation/admin-guide/cgroup-v2.rst | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
index 14b8c571c0d1..f15a613fed6a 100644
--- a/Documentation/admin-guide/cgroup-v2.rst
+++ b/Documentation/admin-guide/cgroup-v2.rst
@@ -1,4 +1,5 @@
 .. _cgroup-v2:
+.. SPDX-License-Identifier: GPL-2.0
 
 ================
 Control Group v2
@@ -1332,7 +1333,7 @@ PAGE_SIZE multiple when read back.
 	cgroup is within its effective low boundary, the cgroup's
 	memory won't be reclaimed unless there is no reclaimable
 	memory available in unprotected cgroups.
-	Above the effective low	boundary (or 
+	Above the effective low	boundary (or
 	effective min boundary if it is higher), pages are reclaimed
 	proportionally to the overage, reducing reclaim pressure for
 	smaller overages.
@@ -2194,7 +2195,7 @@ of the two is enforced.
 
 cgroup writeback requires explicit support from the underlying
 filesystem.  Currently, cgroup writeback is implemented on ext2, ext4,
-btrfs, f2fs, and xfs.  On other filesystems, all writeback IOs are 
+btrfs, f2fs, and xfs.  On other filesystems, all writeback IOs are
 attributed to the root cgroup.
 
 There are inherent differences in memory and writeback management
-- 
2.55.0

Re: [PATCH 2/5] Documentation: admin-guide: fix trailing whitespace in cgroup-v2.rst

[Weijie Yuan]

On Sat, Jul 18, 2026 at 04:19:08PM +0100, Yahya Toubali wrote:
> Remove trailing spaces on lines 1335 and 2197.
> 
> Signed-off-by: Yahya Toubali <yahya@yahyatoubali.me>

Hmmm, for a file that might be modified, I wonder if it makes sense to
include fixed line numbers in the commit message. i.e. When the line
number changes, your commit message will become meaningless.

I'd love to hear others' comments.

Thanks.

> ---
>  Documentation/admin-guide/cgroup-v2.rst | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
> index 14b8c571c0d1..f15a613fed6a 100644
> --- a/Documentation/admin-guide/cgroup-v2.rst
> +++ b/Documentation/admin-guide/cgroup-v2.rst
> @@ -1,4 +1,5 @@
>  .. _cgroup-v2:
> +.. SPDX-License-Identifier: GPL-2.0
>  
>  ================
>  Control Group v2
> @@ -1332,7 +1333,7 @@ PAGE_SIZE multiple when read back.
>  	cgroup is within its effective low boundary, the cgroup's
>  	memory won't be reclaimed unless there is no reclaimable
>  	memory available in unprotected cgroups.
> -	Above the effective low	boundary (or 
> +	Above the effective low	boundary (or
>  	effective min boundary if it is higher), pages are reclaimed
>  	proportionally to the overage, reducing reclaim pressure for
>  	smaller overages.
> @@ -2194,7 +2195,7 @@ of the two is enforced.
>  
>  cgroup writeback requires explicit support from the underlying
>  filesystem.  Currently, cgroup writeback is implemented on ext2, ext4,
> -btrfs, f2fs, and xfs.  On other filesystems, all writeback IOs are 
> +btrfs, f2fs, and xfs.  On other filesystems, all writeback IOs are
>  attributed to the root cgroup.
>  
>  There are inherent differences in memory and writeback management

Re: [PATCH 2/5] Documentation: admin-guide: fix trailing whitespace in cgroup-v2.rst

[Randy Dunlap]

On 7/18/26 9:14 AM, Weijie Yuan wrote:
> On Sat, Jul 18, 2026 at 04:19:08PM +0100, Yahya Toubali wrote:
>> Remove trailing spaces on lines 1335 and 2197.
>>
>> Signed-off-by: Yahya Toubali <yahya@yahyatoubali.me>
> 
> Hmmm, for a file that might be modified, I wonder if it makes sense to
> include fixed line numbers in the commit message. i.e. When the line
> number changes, your commit message will become meaningless.
> 
> I'd love to hear others' comments.

I wouldn't include the line numbers...

>> ---
>>  Documentation/admin-guide/cgroup-v2.rst | 5 +++--
>>  1 file changed, 3 insertions(+), 2 deletions(-)
>>
>> diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
>> index 14b8c571c0d1..f15a613fed6a 100644
>> --- a/Documentation/admin-guide/cgroup-v2.rst
>> +++ b/Documentation/admin-guide/cgroup-v2.rst
>> @@ -1,4 +1,5 @@
>>  .. _cgroup-v2:
>> +.. SPDX-License-Identifier: GPL-2.0
>>  
>>  ================
>>  Control Group v2
>> @@ -1332,7 +1333,7 @@ PAGE_SIZE multiple when read back.
>>  	cgroup is within its effective low boundary, the cgroup's
>>  	memory won't be reclaimed unless there is no reclaimable
>>  	memory available in unprotected cgroups.
>> -	Above the effective low	boundary (or 
>> +	Above the effective low	boundary (or
>>  	effective min boundary if it is higher), pages are reclaimed
>>  	proportionally to the overage, reducing reclaim pressure for
>>  	smaller overages.
>> @@ -2194,7 +2195,7 @@ of the two is enforced.
>>  
>>  cgroup writeback requires explicit support from the underlying
>>  filesystem.  Currently, cgroup writeback is implemented on ext2, ext4,
>> -btrfs, f2fs, and xfs.  On other filesystems, all writeback IOs are 
>> +btrfs, f2fs, and xfs.  On other filesystems, all writeback IOs are
>>  attributed to the root cgroup.
>>  
>>  There are inherent differences in memory and writeback management
> 

-- 
~Randy

Re: [PATCH 2/5] Documentation: admin-guide: fix trailing whitespace in cgroup-v2.rst

[Weijie Yuan]

On Sat, Jul 18, 2026 at 09:16:29AM -0700, Randy Dunlap wrote:
> 
> 
> On 7/18/26 9:14 AM, Weijie Yuan wrote:
> > On Sat, Jul 18, 2026 at 04:19:08PM +0100, Yahya Toubali wrote:
> >> Remove trailing spaces on lines 1335 and 2197.
> >>
> >> Signed-off-by: Yahya Toubali <yahya@yahyatoubali.me>
> > 
> > Hmmm, for a file that might be modified, I wonder if it makes sense to
> > include fixed line numbers in the commit message. i.e. When the line
> > number changes, your commit message will become meaningless.
> > 
> > I'd love to hear others' comments.
> 
> I wouldn't include the line numbers...

Alright, it seems that Yahya needs to refine his commit message.

Thanks.

[PATCH v3] Documentation: admin-guide: fix trailing whitespace in cgroup-v2.rst

[Yahya Toubali]

Remove trailing whitespace flagged by checkpatch.pl in the cgroup
memory and writeback sections.

Signed-off-by: Yahya Toubali <yahya@yahyatoubali.me>
---
 Documentation/admin-guide/cgroup-v2.rst | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
index 14b8c571c0d1..481658cfef40 100644
--- a/Documentation/admin-guide/cgroup-v2.rst
+++ b/Documentation/admin-guide/cgroup-v2.rst
@@ -1332,7 +1332,7 @@ PAGE_SIZE multiple when read back.
 	cgroup is within its effective low boundary, the cgroup's
 	memory won't be reclaimed unless there is no reclaimable
 	memory available in unprotected cgroups.
-	Above the effective low	boundary (or 
+	Above the effective low	boundary (or
 	effective min boundary if it is higher), pages are reclaimed
 	proportionally to the overage, reducing reclaim pressure for
 	smaller overages.
@@ -2194,7 +2194,7 @@ of the two is enforced.
 
 cgroup writeback requires explicit support from the underlying
 filesystem.  Currently, cgroup writeback is implemented on ext2, ext4,
-btrfs, f2fs, and xfs.  On other filesystems, all writeback IOs are 
+btrfs, f2fs, and xfs.  On other filesystems, all writeback IOs are
 attributed to the root cgroup.
 
 There are inherent differences in memory and writeback management

base-commit: 1229e2e57a5c2980ccd457b9b53ea0eed5a22ab3
prerequisite-patch-id: c8aee5eb39e3cd6f2b2f28c82163565665288d2a
-- 
2.55.0

Re: [PATCH v3] Documentation: admin-guide: fix trailing whitespace in cgroup-v2.rst

[Randy Dunlap]

On 7/18/26 9:56 AM, Yahya Toubali wrote:
> Remove trailing whitespace flagged by checkpatch.pl in the cgroup
> memory and writeback sections.
> 
> Signed-off-by: Yahya Toubali <yahya@yahyatoubali.me>
> ---
>  Documentation/admin-guide/cgroup-v2.rst | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
> index 14b8c571c0d1..481658cfef40 100644
> --- a/Documentation/admin-guide/cgroup-v2.rst
> +++ b/Documentation/admin-guide/cgroup-v2.rst
> @@ -1332,7 +1332,7 @@ PAGE_SIZE multiple when read back.
>  	cgroup is within its effective low boundary, the cgroup's
>  	memory won't be reclaimed unless there is no reclaimable
>  	memory available in unprotected cgroups.
> -	Above the effective low	boundary (or 
> +	Above the effective low	boundary (or
>  	effective min boundary if it is higher), pages are reclaimed
>  	proportionally to the overage, reducing reclaim pressure for
>  	smaller overages.
> @@ -2194,7 +2194,7 @@ of the two is enforced.
>  
>  cgroup writeback requires explicit support from the underlying
>  filesystem.  Currently, cgroup writeback is implemented on ext2, ext4,
> -btrfs, f2fs, and xfs.  On other filesystems, all writeback IOs are 
> +btrfs, f2fs, and xfs.  On other filesystems, all writeback IOs are
>  attributed to the root cgroup.
>  
>  There are inherent differences in memory and writeback management
> 
> base-commit: 1229e2e57a5c2980ccd457b9b53ea0eed5a22ab3
> prerequisite-patch-id: c8aee5eb39e3cd6f2b2f28c82163565665288d2a

From Documentation/process/submitting-patches.rst: (paraphrased)

Don't reply to v2 of a patch with v3 of that patch. We prefer that new/fresh
patches begin their own email thread.

thanks.
-- 
~Randy

[PATCH 4/5] Documentation: fix spelling typos

[Yahya Toubali]

Fix 'Minumum' -> 'Minimum' in lenovo-wmi-other.rst and 'maintainance' -> 'maintenance' in housekeeping.rst.

Signed-off-by: Yahya Toubali <yahya@yahyatoubali.me>
---
 Documentation/core-api/housekeeping.rst        | 4 +++-
 Documentation/wmi/devices/lenovo-wmi-other.rst | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/Documentation/core-api/housekeeping.rst b/Documentation/core-api/housekeeping.rst
index ccb0a88b9cb3..f4dc5f9337b1 100644
--- a/Documentation/core-api/housekeeping.rst
+++ b/Documentation/core-api/housekeeping.rst
@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: GPL-2.0
+
 ======================================
 Housekeeping
 ======================================
@@ -9,7 +11,7 @@ extreme workloads can't stand, such as in some DPDK usecases.
 
 The kernel work moved away by CPU isolation is commonly described as
 "housekeeping" because it includes ground work that performs cleanups,
-statistics maintainance and actions relying on them, memory release,
+statistics maintenance and actions relying on them, memory release,
 various deferrals etc...
 
 Sometimes housekeeping is just some unbound work (unbound workqueues,
diff --git a/Documentation/wmi/devices/lenovo-wmi-other.rst b/Documentation/wmi/devices/lenovo-wmi-other.rst
index 011054d64eac..65cb78ef285a 100644
--- a/Documentation/wmi/devices/lenovo-wmi-other.rst
+++ b/Documentation/wmi/devices/lenovo-wmi-other.rst
@@ -163,5 +163,5 @@ data using the `bmfdec <https://github.com/pali/bmfdec>`_ utility:
     [WmiDataId(1), read, Description("Mode.")] uint32 NumOfFans;
     [WmiDataId(2), read, Description("Fan ID."), WmiSizeIs("NumOfFans")] uint32 FanId[];
     [WmiDataId(3), read, Description("Maximum Fan Speed."), WmiSizeIs("NumOfFans")] uint32 FanMaxSpeed[];
-    [WmiDataId(4), read, Description("Minumum Fan Speed."), WmiSizeIs("NumOfFans")] uint32 FanMinSpeed[];
+    [WmiDataId(4), read, Description("Minimum Fan Speed."), WmiSizeIs("NumOfFans")] uint32 FanMinSpeed[];
   };
-- 
2.55.0

Re: [PATCH 4/5] Documentation: fix spelling typos

[Weijie Yuan]

On Sat, Jul 18, 2026 at 04:19:10PM +0100, Yahya Toubali wrote:
> Fix 'Minumum' -> 'Minimum' in lenovo-wmi-other.rst and 'maintainance' -> 'maintenance' in housekeeping.rst.
> 
> Signed-off-by: Yahya Toubali <yahya@yahyatoubali.me>

Hi Yahya,

It's better to wrap your commit message to ~72 columns.

See:

  https://docs.kernel.org/process/submitting-patches.html#subject-line

Thanks.

[PATCH v3] Documentation: fix spelling typos

[Yahya Toubali]

Fix 'Minumum' -> 'Minimum' in lenovo-wmi-other.rst and
'maintainance' -> 'maintenance' in housekeeping.rst.
These were flagged by checkpatch.

Signed-off-by: Yahya Toubali <yahya@yahyatoubali.me>
---
 Documentation/core-api/housekeeping.rst        | 2 +-
 Documentation/wmi/devices/lenovo-wmi-other.rst | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/core-api/housekeeping.rst b/Documentation/core-api/housekeeping.rst
index ccb0a88b9cb3..71ba5d86f249 100644
--- a/Documentation/core-api/housekeeping.rst
+++ b/Documentation/core-api/housekeeping.rst
@@ -9,7 +9,7 @@ extreme workloads can't stand, such as in some DPDK usecases.
 
 The kernel work moved away by CPU isolation is commonly described as
 "housekeeping" because it includes ground work that performs cleanups,
-statistics maintainance and actions relying on them, memory release,
+statistics maintenance and actions relying on them, memory release,
 various deferrals etc...
 
 Sometimes housekeeping is just some unbound work (unbound workqueues,
diff --git a/Documentation/wmi/devices/lenovo-wmi-other.rst b/Documentation/wmi/devices/lenovo-wmi-other.rst
index 011054d64eac..65cb78ef285a 100644
--- a/Documentation/wmi/devices/lenovo-wmi-other.rst
+++ b/Documentation/wmi/devices/lenovo-wmi-other.rst
@@ -163,5 +163,5 @@ data using the `bmfdec <https://github.com/pali/bmfdec>`_ utility:
     [WmiDataId(1), read, Description("Mode.")] uint32 NumOfFans;
     [WmiDataId(2), read, Description("Fan ID."), WmiSizeIs("NumOfFans")] uint32 FanId[];
     [WmiDataId(3), read, Description("Maximum Fan Speed."), WmiSizeIs("NumOfFans")] uint32 FanMaxSpeed[];
-    [WmiDataId(4), read, Description("Minumum Fan Speed."), WmiSizeIs("NumOfFans")] uint32 FanMinSpeed[];
+    [WmiDataId(4), read, Description("Minimum Fan Speed."), WmiSizeIs("NumOfFans")] uint32 FanMinSpeed[];
   };

base-commit: 1229e2e57a5c2980ccd457b9b53ea0eed5a22ab3
prerequisite-patch-id: c8aee5eb39e3cd6f2b2f28c82163565665288d2a
prerequisite-patch-id: 60ad32e9f0e74902635d7886b97c4225ac8dc5ce
prerequisite-patch-id: 76849a9365b2ef77eae25f4ee42c11f124b1ea0d
-- 
2.55.0

[PATCH 5/5] Documentation: add SPDX license identifiers to RST files

[Yahya Toubali]

Add SPDX-License-Identifier: GPL-2.0 to documentation files that were missing it.

Signed-off-by: Yahya Toubali <yahya@yahyatoubali.me>
---
 Documentation/core-api/memory-allocation.rst | 1 +
 Documentation/doc-guide/sphinx.rst           | 1 +
 Documentation/process/5.Posting.rst          | 1 +
 Documentation/process/howto.rst              | 1 +
 Documentation/sound/designs/index.rst        | 2 ++
 5 files changed, 6 insertions(+)

diff --git a/Documentation/core-api/memory-allocation.rst b/Documentation/core-api/memory-allocation.rst
index 0f19dd524323..370f5a0c4238 100644
--- a/Documentation/core-api/memory-allocation.rst
+++ b/Documentation/core-api/memory-allocation.rst
@@ -1,4 +1,5 @@
 .. _memory_allocation:
+.. SPDX-License-Identifier: GPL-2.0
 
 =======================
 Memory Allocation Guide
diff --git a/Documentation/doc-guide/sphinx.rst b/Documentation/doc-guide/sphinx.rst
index 51c370260f3b..74a3425e81c9 100644
--- a/Documentation/doc-guide/sphinx.rst
+++ b/Documentation/doc-guide/sphinx.rst
@@ -1,4 +1,5 @@
 .. _sphinxdoc:
+.. SPDX-License-Identifier: GPL-2.0
 
 =====================================
 Using Sphinx for kernel documentation
diff --git a/Documentation/process/5.Posting.rst b/Documentation/process/5.Posting.rst
index 07d7dbed13ec..510abeea8977 100644
--- a/Documentation/process/5.Posting.rst
+++ b/Documentation/process/5.Posting.rst
@@ -1,4 +1,5 @@
 .. _development_posting:
+.. SPDX-License-Identifier: GPL-2.0
 
 Posting patches
 ===============
diff --git a/Documentation/process/howto.rst b/Documentation/process/howto.rst
index 9438e03d6f50..9001024e44cf 100644
--- a/Documentation/process/howto.rst
+++ b/Documentation/process/howto.rst
@@ -1,4 +1,5 @@
 .. _process_howto:
+.. SPDX-License-Identifier: GPL-2.0
 
 HOWTO do Linux kernel development
 =================================
diff --git a/Documentation/sound/designs/index.rst b/Documentation/sound/designs/index.rst
index 6b825c5617fc..4ba4038187b5 100644
--- a/Documentation/sound/designs/index.rst
+++ b/Documentation/sound/designs/index.rst
@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: GPL-2.0
+
 Designs and Implementations
 ===========================
 
-- 
2.55.0

[PATCH 4/5] Documentation: fix spelling typos

[Yahya Toubali]

Fix 'Minumum' -> 'Minimum' in lenovo-wmi-other.rst and 'maintainance' -> 'maintenance' in housekeeping.rst.
---
 Documentation/core-api/housekeeping.rst        | 4 +++-
 Documentation/wmi/devices/lenovo-wmi-other.rst | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/Documentation/core-api/housekeeping.rst b/Documentation/core-api/housekeeping.rst
index ccb0a88b9cb3..f4dc5f9337b1 100644
--- a/Documentation/core-api/housekeeping.rst
+++ b/Documentation/core-api/housekeeping.rst
@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: GPL-2.0
+
 ======================================
 Housekeeping
 ======================================
@@ -9,7 +11,7 @@ extreme workloads can't stand, such as in some DPDK usecases.
 
 The kernel work moved away by CPU isolation is commonly described as
 "housekeeping" because it includes ground work that performs cleanups,
-statistics maintainance and actions relying on them, memory release,
+statistics maintenance and actions relying on them, memory release,
 various deferrals etc...
 
 Sometimes housekeeping is just some unbound work (unbound workqueues,
diff --git a/Documentation/wmi/devices/lenovo-wmi-other.rst b/Documentation/wmi/devices/lenovo-wmi-other.rst
index 011054d64eac..65cb78ef285a 100644
--- a/Documentation/wmi/devices/lenovo-wmi-other.rst
+++ b/Documentation/wmi/devices/lenovo-wmi-other.rst
@@ -163,5 +163,5 @@ data using the `bmfdec <https://github.com/pali/bmfdec>`_ utility:
     [WmiDataId(1), read, Description("Mode.")] uint32 NumOfFans;
     [WmiDataId(2), read, Description("Fan ID."), WmiSizeIs("NumOfFans")] uint32 FanId[];
     [WmiDataId(3), read, Description("Maximum Fan Speed."), WmiSizeIs("NumOfFans")] uint32 FanMaxSpeed[];
-    [WmiDataId(4), read, Description("Minumum Fan Speed."), WmiSizeIs("NumOfFans")] uint32 FanMinSpeed[];
+    [WmiDataId(4), read, Description("Minimum Fan Speed."), WmiSizeIs("NumOfFans")] uint32 FanMinSpeed[];
   };
-- 
2.55.0