|
Revision tags: v6.6.25, v6.6.24, v6.6.23, v6.6.16, v6.6.15, v6.6.14, v6.6.13, v6.6.12, v6.6.11, v6.6.10, v6.6.9, v6.6.8, v6.6.7, v6.6.6, v6.6.5, v6.6.4, v6.6.3, v6.6.2, v6.5.11, v6.6.1, v6.5.10, v6.6, v6.5.9, v6.5.8, v6.5.7, v6.5.6, v6.5.5, v6.5.4, v6.5.3, v6.5.2, v6.1.51, v6.5.1, v6.1.50, v6.5, v6.1.49, v6.1.48, v6.1.46, v6.1.45, v6.1.44, v6.1.43, v6.1.42, v6.1.41, v6.1.40, v6.1.39, v6.1.38, v6.1.37, v6.1.36, v6.4, v6.1.35, v6.1.34, v6.1.33, v6.1.32, v6.1.31, v6.1.30, v6.1.29, v6.1.28, v6.1.27, v6.1.26, v6.3, v6.1.25, v6.1.24, v6.1.23, v6.1.22, v6.1.21, v6.1.20, v6.1.19, v6.1.18, v6.1.17, v6.1.16, v6.1.15, v6.1.14, v6.1.13, v6.2, v6.1.12, v6.1.11, v6.1.10, v6.1.9, v6.1.8, v6.1.7, v6.1.6, v6.1.5, v6.0.19, v6.0.18, v6.1.4, v6.1.3, v6.0.17, v6.1.2, v6.0.16, v6.1.1, v6.0.15, v6.0.14, v6.0.13, v6.1, v6.0.12, v6.0.11, v6.0.10, v5.15.80, v6.0.9, v5.15.79, v6.0.8, v5.15.78 |
|
| #
77db7bb5 |
| 09-Nov-2022 |
Sergey Senozhatsky <senozhatsky@chromium.org> |
zram: add incompressible flag to read_block_state()
Add a new flag to zram block state that shows if the page is
incompressible: that none of the algorithm (including secondary ones)
could compress
zram: add incompressible flag to read_block_state()
Add a new flag to zram block state that shows if the page is
incompressible: that none of the algorithm (including secondary ones)
could compress it.
Link: https://lkml.kernel.org/r/20221109115047.2921851-14-senozhatsky@chromium.org
Suggested-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Alexey Romanov <avromanov@sberdevices.ru>
Cc: Nhat Pham <nphamcs@gmail.com>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Suleiman Souhlal <suleiman@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
show more ...
|
| #
b46f9ea3 |
| 09-Nov-2022 |
Sergey Senozhatsky <senozhatsky@chromium.org> |
zram: add incompressible writeback
Add support for incompressible pages writeback:
echo incompressible > /sys/block/zramX/writeback
Link: https://lkml.kernel.org/r/20221109115047.2921851-13-seno
zram: add incompressible writeback
Add support for incompressible pages writeback:
echo incompressible > /sys/block/zramX/writeback
Link: https://lkml.kernel.org/r/20221109115047.2921851-13-senozhatsky@chromium.org
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Alexey Romanov <avromanov@sberdevices.ru>
Cc: Nhat Pham <nphamcs@gmail.com>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Suleiman Souhlal <suleiman@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
show more ...
|
| #
443dd798 |
| 09-Nov-2022 |
Sergey Senozhatsky <senozhatsky@chromium.org> |
documentation: add zram recompression documentation
Document user-space visible device attributes that are enabled by
ZRAM_MULTI_COMP.
Link: https://lkml.kernel.org/r/20221109115047.2921851-12-seno
documentation: add zram recompression documentation
Document user-space visible device attributes that are enabled by
ZRAM_MULTI_COMP.
Link: https://lkml.kernel.org/r/20221109115047.2921851-12-senozhatsky@chromium.org
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Alexey Romanov <avromanov@sberdevices.ru>
Cc: Nhat Pham <nphamcs@gmail.com>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Suleiman Souhlal <suleiman@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
show more ...
|
| #
60e9b39e |
| 09-Nov-2022 |
Sergey Senozhatsky <senozhatsky@chromium.org> |
zram: add recompress flag to read_block_state()
Add a new flag to zram block state that shows if the page was recompressed
(using alternative compression algorithm).
Link: https://lkml.kernel.org/r
zram: add recompress flag to read_block_state()
Add a new flag to zram block state that shows if the page was recompressed
(using alternative compression algorithm).
Link: https://lkml.kernel.org/r/20221109115047.2921851-6-senozhatsky@chromium.org
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Alexey Romanov <avromanov@sberdevices.ru>
Cc: Nhat Pham <nphamcs@gmail.com>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Suleiman Souhlal <suleiman@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
show more ...
|
|
Revision tags: v6.0.7, v5.15.77, v5.15.76, v6.0.6, v6.0.5, v5.15.75, v6.0.4, v6.0.3, v6.0.2, v5.15.74, v5.15.73, v6.0.1, v5.15.72, v6.0, v5.15.71, v5.15.70, v5.15.69, v5.15.68, v5.15.67, v5.15.66, v5.15.65, v5.15.64, v5.15.63, v5.15.62, v5.15.61, v5.15.60, v5.15.59, v5.19, v5.15.58, v5.15.57, v5.15.56, v5.15.55, v5.15.54, v5.15.53, v5.15.52, v5.15.51, v5.15.50, v5.15.49, v5.15.48, v5.15.47, v5.15.46, v5.15.45, v5.15.44, v5.15.43, v5.15.42, v5.18, v5.15.41, v5.15.40, v5.15.39, v5.15.38, v5.15.37 |
|
| #
30226b69 |
| 29-Apr-2022 |
Brian Geffon <bgeffon@google.com> |
zram: add a huge_idle writeback mode
Today it's only possible to write back as a page, idle, or huge. A user
might want to writeback pages which are huge and idle first as these idle
pages do not r
zram: add a huge_idle writeback mode
Today it's only possible to write back as a page, idle, or huge. A user
might want to writeback pages which are huge and idle first as these idle
pages do not require decompression and make a good first pass for
writeback.
Idle writeback specifically has the advantage that a refault is unlikely
given that the page has been swapped for some amount of time without being
refaulted.
Huge writeback has the advantage that you're guaranteed to get the maximum
benefit from a single page writeback, that is, you're reclaiming one full
page of memory. Pages which are compressed in zram being written back
result in some benefit which is always less than a page size because of
the fact that it was compressed.
The primary use of this is for minimizing refaults in situations where the
device has to be sensitive to storage endurance. On ChromeOS we have
devices with slow eMMC and repeated writes and refaults can negatively
affect performance and endurance.
Link: https://lkml.kernel.org/r/20220322215821.1196994-1-bgeffon@google.com
Signed-off-by: Brian Geffon <bgeffon@google.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
show more ...
|
|
Revision tags: v5.15.36, v5.15.35, v5.15.34, v5.15.33, v5.15.32, v5.15.31, v5.17, v5.15.30, v5.15.29, v5.15.28, v5.15.27, v5.15.26, v5.15.25, v5.15.24, v5.15.23, v5.15.22 |
|
| #
4fbe7b19 |
| 07-Feb-2022 |
Ethan Dye <mrtops03@gmail.com> |
docs: Fix wording in optional zram feature docs
This fixes some simple grammar errors in the documentation for zram,
specifically errors in the optional feature section of the zram
documentation.
S
docs: Fix wording in optional zram feature docs
This fixes some simple grammar errors in the documentation for zram,
specifically errors in the optional feature section of the zram
documentation.
Signed-off-by: Ethan Dye <mrtops03@gmail.com>
Link: https://lore.kernel.org/r/20220207235442.95090-1-mrtops03@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
show more ...
|
|
Revision tags: v5.15.21, v5.15.20, v5.15.19, v5.15.18, v5.15.17, v5.4.173, v5.15.16, v5.15.15, v5.16, v5.15.10, v5.15.9, v5.15.8, v5.15.7, v5.15.6, v5.15.5, v5.15.4, v5.15.3, v5.15.2, v5.15.1 |
|
| #
755804d1 |
| 05-Nov-2021 |
Brian Geffon <bgeffon@google.com> |
zram: introduce an aged idle interface
This change introduces an aged idle interface to the existing idle sysfs
file for zram.
When CONFIG_ZRAM_MEMORY_TRACKING is enabled the idle file now also
acc
zram: introduce an aged idle interface
This change introduces an aged idle interface to the existing idle sysfs
file for zram.
When CONFIG_ZRAM_MEMORY_TRACKING is enabled the idle file now also
accepts an integer argument. This integer is the age (in seconds) of
pages to mark as idle. The idle file still supports 'all' as it always
has. This new approach allows for much more control over which pages
get marked as idle.
[bgeffon@google.com: use IS_ENABLED and cleanup comment]
Link: https://lkml.kernel.org/r/20210924161128.1508015-1-bgeffon@google.com
[bgeffon@google.com: Sergey's cleanup suggestions]
Link: https://lkml.kernel.org/r/20210929143056.13067-1-bgeffon@google.com
Link: https://lkml.kernel.org/r/20210923130115.1344361-1-bgeffon@google.com
Signed-off-by: Brian Geffon <bgeffon@google.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Suleiman Souhlal <suleiman@google.com>
Cc: Jesse Barnes <jsbarnes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
show more ...
|
|
Revision tags: v5.15, v5.14.14, v5.14.13, v5.14.12, v5.14.11, v5.14.10, v5.14.9, v5.14.8, v5.14.7, v5.14.6, v5.10.67, v5.10.66, v5.14.5, v5.14.4, v5.10.65, v5.14.3, v5.10.64, v5.14.2, v5.10.63, v5.14.1, v5.10.62, v5.14, v5.10.61, v5.10.60, v5.10.53, v5.10.52, v5.10.51, v5.10.50, v5.10.49, v5.13, v5.10.46, v5.10.43, v5.10.42, v5.10.41, v5.10.40, v5.10.39, v5.4.119, v5.10.36, v5.10.35, v5.10.34, v5.4.116, v5.10.33, v5.12, v5.10.32, v5.10.31, v5.10.30, v5.10.27, v5.10.26, v5.10.25, v5.10.24, v5.10.23, v5.10.22, v5.10.21, v5.10.20, v5.10.19, v5.4.101, v5.10.18, v5.10.17, v5.11, v5.10.16, v5.10.15, v5.10.14 |
|
| #
194e28da |
| 14-Dec-2020 |
Minchan Kim <minchan@kernel.org> |
zram: add stat to gather incompressible pages since zram set up
Currently, zram supports the stat via /sys/block/zram/mm_stat to represent
how many of incompressible pages are stored at the moment b
zram: add stat to gather incompressible pages since zram set up
Currently, zram supports the stat via /sys/block/zram/mm_stat to represent
how many of incompressible pages are stored at the moment but it couldn't
show how many times incompressible pages were wrote down since zram set
up. It's also good indication to see how zram is effective in the system.
Link: https://lkml.kernel.org/r/20201130201907.1284910-1-minchan@kernel.org
Signed-off-by: Minchan Kim <minchan@kernel.org>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
show more ...
|
| #
0d835962 |
| 14-Dec-2020 |
Minchan Kim <minchan@kernel.org> |
zram: support page writeback
There is demand to writeback specific process pages to backing store
instead of all idles pages in the system due to storage wear out concerns
and to launching latency o
zram: support page writeback
There is demand to writeback specific process pages to backing store
instead of all idles pages in the system due to storage wear out concerns
and to launching latency of apps which are most of the time idle but are
critical for resume latency.
This patch extends the writeback knob to support a specific page
writeback.
Link: https://lkml.kernel.org/r/20201020190506.3758660-1-minchan@kernel.org
Signed-off-by: Minchan Kim <minchan@kernel.org>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
show more ...
|
|
Revision tags: v5.10 |
|
| #
b2105aa2 |
| 04-Dec-2020 |
Andrew Klychkov <andrew.a.klychkov@gmail.com> |
Documentation: fix typos found in admin-guide subdirectory
Fixed twelve typos in cppc_sysfs.rst, binderfs.rst, paride.rst,
zram.rst, bug-hunting.rst, introduction.rst, usage.rst, dm-crypt.rst
Signe
Documentation: fix typos found in admin-guide subdirectory
Fixed twelve typos in cppc_sysfs.rst, binderfs.rst, paride.rst,
zram.rst, bug-hunting.rst, introduction.rst, usage.rst, dm-crypt.rst
Signed-off-by: Andrew Klychkov <andrew.a.klychkov@gmail.com>
Reviewed-by: Jonathan Corbet <corbet@lwn.net>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20201204070235.GA48631@spblnx124.lan
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
show more ...
|
|
Revision tags: v5.8.17, v5.8.16, v5.8.15, v5.9, v5.8.14, v5.8.13, v5.8.12, v5.8.11, v5.8.10, v5.8.9, v5.8.8, v5.8.7, v5.8.6, v5.4.62, v5.8.5, v5.8.4, v5.4.61, v5.8.3, v5.4.60, v5.8.2, v5.4.59, v5.8.1, v5.4.58, v5.4.57, v5.4.56, v5.8, v5.7.12, v5.4.55, v5.7.11, v5.4.54, v5.7.10, v5.4.53, v5.4.52, v5.7.9, v5.7.8, v5.4.51, v5.4.50, v5.7.7, v5.4.49, v5.7.6, v5.7.5, v5.4.48, v5.7.4, v5.7.3, v5.4.47, v5.4.46, v5.7.2, v5.4.45, v5.7.1, v5.4.44, v5.7, v5.4.43, v5.4.42, v5.4.41, v5.4.40, v5.4.39, v5.4.38, v5.4.37, v5.4.36, v5.4.35, v5.4.34, v5.4.33, v5.4.32, v5.4.31, v5.4.30, v5.4.29, v5.6, v5.4.28, v5.4.27, v5.4.26, v5.4.25, v5.4.24, v5.4.23, v5.4.22, v5.4.21, v5.4.20, v5.4.19 |
|
| #
56e6b3b0 |
| 06-Feb-2020 |
Yue Hu <zbestahu@163.com> |
Documentation: zram: fix the description about orig_data_size of mm_stat
orig_data_size counted the same_pages by commit 51f9f82c855d ("zram:
count same page write as page_stored"), so let's fix it.
Documentation: zram: fix the description about orig_data_size of mm_stat
orig_data_size counted the same_pages by commit 51f9f82c855d ("zram:
count same page write as page_stored"), so let's fix it.
Signed-off-by: Yue Hu <zbestahu@163.com>
Link: https://lore.kernel.org/r/20200206111031.9524-1-zbestahu@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
show more ...
|
|
Revision tags: v5.4.18, v5.4.17, v5.4.16, v5.5, v5.4.15, v5.4.14 |
|
| #
5871023c |
| 20-Jan-2020 |
Yue Hu <huyue2@yulong.com> |
zram: correct documentation about sysfs node of huge page writeback
sysfs node for huge page writeback is writeback rather than write.
Signed-off-by: Yue Hu <huyue2@yulong.com>
Acked-by: Minchan Ki
zram: correct documentation about sysfs node of huge page writeback
sysfs node for huge page writeback is writeback rather than write.
Signed-off-by: Yue Hu <huyue2@yulong.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Link: https://lore.kernel.org/r/20200120102949.12132-1-zbestahu@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
show more ...
|
| #
a3e1c56a |
| 20-Jan-2020 |
Randy Dunlap <rdunlap@infradead.org> |
Documentation: zram: various fixes in zram.rst
Fix various items in zram.rst:
- typos/spellos
- punctuation
- grammar
- shell syntax
- indentation
- sysfs file names
Signed-off-by: Randy Dunlap <rd
Documentation: zram: various fixes in zram.rst
Fix various items in zram.rst:
- typos/spellos
- punctuation
- grammar
- shell syntax
- indentation
- sysfs file names
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Link: https://lore.kernel.org/r/77000e12-677a-62f6-9f78-343be5bd6630@infradead.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
show more ...
|
|
Revision tags: v5.4.13, v5.4.12, v5.4.11, v5.4.10, v5.4.9, v5.4.8, v5.4.7, v5.4.6, v5.4.5, v5.4.4, v5.4.3, v5.3.15, v5.4.2, v5.4.1, v5.3.14, v5.4, v5.3.13, v5.3.12, v5.3.11, v5.3.10, v5.3.9, v5.3.8, v5.3.7, v5.3.6, v5.3.5, v5.3.4, v5.3.3, v5.3.2, v5.3.1, v5.3, v5.2.14, v5.3-rc8, v5.2.13, v5.2.12, v5.2.11, v5.2.10, v5.2.9, v5.2.8, v5.2.7, v5.2.6, v5.2.5, v5.2.4, v5.2.3, v5.2.2, v5.2.1, v5.2, v5.1.16, v5.1.15, v5.1.14, v5.1.13, v5.1.12 |
|
| #
e7751617 |
| 18-Jun-2019 |
Mauro Carvalho Chehab <mchehab+samsung@kernel.org> |
docs: blockdev: add it to the admin-guide
The blockdev book basically contains user-faced documentation.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
|
|
Revision tags: v5.8.17, v5.8.16, v5.8.15, v5.9, v5.8.14, v5.8.13, v5.8.12, v5.8.11, v5.8.10, v5.8.9, v5.8.8, v5.8.7, v5.8.6, v5.4.62, v5.8.5, v5.8.4, v5.4.61, v5.8.3, v5.4.60, v5.8.2, v5.4.59, v5.8.1, v5.4.58, v5.4.57, v5.4.56, v5.8, v5.7.12, v5.4.55, v5.7.11, v5.4.54, v5.7.10, v5.4.53, v5.4.52, v5.7.9, v5.7.8, v5.4.51, v5.4.50, v5.7.7, v5.4.49, v5.7.6, v5.7.5, v5.4.48, v5.7.4, v5.7.3, v5.4.47, v5.4.46, v5.7.2, v5.4.45, v5.7.1, v5.4.44, v5.7, v5.4.43, v5.4.42, v5.4.41, v5.4.40, v5.4.39, v5.4.38, v5.4.37, v5.4.36, v5.4.35, v5.4.34, v5.4.33, v5.4.32, v5.4.31, v5.4.30, v5.4.29, v5.6, v5.4.28, v5.4.27, v5.4.26, v5.4.25, v5.4.24, v5.4.23, v5.4.22, v5.4.21, v5.4.20, v5.4.19 |
|
| #
56e6b3b0 |
| 06-Feb-2020 |
Yue Hu <zbestahu@163.com> |
Documentation: zram: fix the description about orig_data_size of mm_stat
orig_data_size counted the same_pages by commit 51f9f82c855d ("zram:
count same page write as page_stored"), so l
Documentation: zram: fix the description about orig_data_size of mm_stat
orig_data_size counted the same_pages by commit 51f9f82c855d ("zram:
count same page write as page_stored"), so let's fix it.
Signed-off-by: Yue Hu <zbestahu@163.com>
Link: https://lore.kernel.org/r/20200206111031.9524-1-zbestahu@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
show more ...
|
|
Revision tags: v5.4.18, v5.4.17, v5.4.16, v5.5, v5.4.15, v5.4.14 |
|
| #
5871023c |
| 20-Jan-2020 |
Yue Hu <huyue2@yulong.com> |
zram: correct documentation about sysfs node of huge page writeback
sysfs node for huge page writeback is writeback rather than write.
Signed-off-by: Yue Hu <huyue2@yulong.com>
zram: correct documentation about sysfs node of huge page writeback
sysfs node for huge page writeback is writeback rather than write.
Signed-off-by: Yue Hu <huyue2@yulong.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Link: https://lore.kernel.org/r/20200120102949.12132-1-zbestahu@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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a3e1c56a |
| 20-Jan-2020 |
Randy Dunlap <rdunlap@infradead.org> |
Documentation: zram: various fixes in zram.rst
Fix various items in zram.rst:
- typos/spellos
- punctuation
- grammar
- shell syntax
- indentation
- sysfs file names
Documentation: zram: various fixes in zram.rst
Fix various items in zram.rst:
- typos/spellos
- punctuation
- grammar
- shell syntax
- indentation
- sysfs file names
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Link: https://lore.kernel.org/r/77000e12-677a-62f6-9f78-343be5bd6630@infradead.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
show more ...
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Revision tags: v5.4.13, v5.4.12, v5.4.11, v5.4.10, v5.4.9, v5.4.8, v5.4.7, v5.4.6, v5.4.5, v5.4.4, v5.4.3, v5.3.15, v5.4.2, v5.4.1, v5.3.14, v5.4, v5.3.13, v5.3.12, v5.3.11, v5.3.10, v5.3.9, v5.3.8, v5.3.7, v5.3.6, v5.3.5, v5.3.4, v5.3.3, v5.3.2, v5.3.1, v5.3, v5.2.14, v5.3-rc8, v5.2.13, v5.2.12, v5.2.11, v5.2.10, v5.2.9, v5.2.8, v5.2.7, v5.2.6, v5.2.5, v5.2.4, v5.2.3, v5.2.2, v5.2.1, v5.2, v5.1.16, v5.1.15, v5.1.14, v5.1.13, v5.1.12 |
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| #
e7751617 |
| 18-Jun-2019 |
Mauro Carvalho Chehab <mchehab+samsung@kernel.org> |
docs: blockdev: add it to the admin-guide
The blockdev book basically contains user-faced documentation.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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