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* zram-swap: support swap priorityMaxim Storchak2020-01-152-2/+4
| | | | | | | | If zram-backed swap is added after an existing swap, it gets a lower priority. Assiming that usually all other swaps are slower, there should be a way to assign a higher priority to zram swap. Signed-off-by: Maxim Storchak <m.storchak@gmail.com>
* zram-swap: Add extra commands for status/compactionEmil Muratov2019-07-071-21/+34
| | | | | | | | | This patch adds two new commands: zram status - shows memory stats for all zram swaps zram compaction - trigger compaction for all zram swaps Signed-off-by: Emil Muratov <gpm@hotplug.ru> Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
* zram-swap: Add zram compaction and statistics info outputEmil Muratov2019-07-072-2/+58
| | | | | | | | | Executing '/etc/init.d/zram start' during runtime (with a swap being already mounted) triggers zram device compaction and prints out nice stats info about zram memory usage Signed-off-by: Emil Muratov <gpm@hotplug.ru> Signed-off-by: Christian Lamparter <chunkeey@gmail.com> [use IEC's MiB unit]
* zram-swap: Fix busybox dependency checkEmil Muratov2019-07-071-1/+1
| | | | | | | | - fix dependency on BUSYBOX_CONFIG_SWAPONOFF (removed in 84da2a6) - add busybox defaults checking (fix zram-swap always installs swap-utils and libblkid as dependency, even if busybox includes mkswap by default) Signed-off-by: Emil Muratov <gpm@hotplug.ru>
* zram-swap: bump pkg versionEmil Muratov2018-09-291-1/+1
| | | | Signed-off-by: Emil Muratov <gpm@hotplug.ru>
* zram-swap: Add "max compression streams" configuration optionEmil Muratov2018-09-291-0/+14
| | | | | | | | | | Config option to limit maximum compression streams per zram dev for multicore CPU's. This could be defined via 'zram_comp_streams' option in the 'system' section of '/etc/config/system' file or via cli (for e.x. with 'uci set system.@System[0].zram_comp_streams=2 && uci commit system'). Default is number of logical CPU cores. Signed-off-by: Emil Muratov <gpm@hotplug.ru>
* zram-swap: fix number of created zram devices for multicore CPU'sEmil Muratov2018-09-291-45/+29
| | | | | | | | | Use only one zram swap device of the specified $size instead of [N x $size] devices for multicore CPUs Now zram module uses multiple compression streams for each dev by default, so we do not need to create several zram devs to utilize multicore CPUs. Signed-off-by: Emil Muratov <gpm@hotplug.ru>
* zram-swap: fix zram dev reset for multicore cpu devicesEmil Muratov2018-09-291-12/+10
| | | | | | | | | | * "zram stop" could reset up to $(num_of_cores) zram devices even if some of those were not mounted as swap dev's. This fix tries to enumerate mounted swap zram dev's before making a reset * remove hot-added zram devs on stop (except zram0) Signed-off-by: Emil Muratov <gpm@hotplug.ru>
* zram-swap: compression algorithm configuration optionEmil Muratov2018-09-291-0/+18
| | | | | | | | | | | | Compression algorithms for zram are provided by kernel crypto API, could be any of [lzo|zl4|deflate|<some_more>] depending on kernel modules. Compress algo for zram-swap could be defined via 'zram_comp_algo' option in 'system' section of '/etc/config/system' file, or via cli (for e.x. with 'uci set system.@System[0].zram_comp_algo=lz4 && uci commit system'). check available algo's via 'cat /sys/block/zram0 /comp_algorithm' Signed-off-by: Emil Muratov <gpm@hotplug.ru>
* zram-swap: Shell cosmeticSamuel Casa2018-09-241-4/+4
| | | | Signed-off-by: Samuel Casa <samuel.casa@neratec.com>
* zram-swap: remove trailing whitespaces in init scriptSamuel Casa2018-09-241-2/+2
| | | | | | Signed-off-by: Samuel Casa <samuel.casa@neratec.com> [slightly reword subject] Signed-off-by: Jo-Philipp Wich <jo@mein.io>
* zram-swap: CONFIG_PROCD_ZRAM_TMPFS compatibilityConn O'Griofa2016-09-051-2/+11
| | | | | | | | Enable CONFIG_PROCD_ZRAM_TMPFS compatibility via two changes to list_cpu_idx(): * detect if /tmp is being used by /dev/zram0; if yes, offset initial value by 1 to skip first zram device. * hot-add /dev/zram1, if not already present. Signed-off-by: Conn O'Griofa >connogriofa@gmail.com>
* cosmetic: remove trailing whitespacesLuka Perkov2015-10-151-1/+1
| | | | | | Signed-off-by: Luka Perkov <luka@openwrt.org> SVN-Revision: 47197
* license info - revert r43155John Crispin2014-11-031-3/+0
| | | | | | | | turns out that r43155 adds duplicate info. Signed-off-by: John Crispin <blogic@openwrt.org> SVN-Revision: 43167
* Add more license tags with SPDX identifiersJohn Crispin2014-11-031-0/+3
| | | | | | | | | | | | | | | | | | Note, that licensing stuff is a nightmare: many packages does not clearly state their licenses, and often multiple source files are simply copied together - each with different licensing information in the file headers. I tried hard to ensure, that the license information extracted into the OpenWRT's makefiles fit the "spirit" of the packages, e.g. such small packages which come without a dedicated source archive "inherites" the OpenWRT's own license in my opinion. However, I can not garantee that I always picked the correct information and/or did not miss license information. Signed-off-by: Michael Heimpold <mhei@heimpold.de> SVN-Revision: 43155
* zram-swap: fix dependenciesHauke Mehrtens2013-11-131-1/+1
| | | | | | | | | swapon/swapoff are no longer provided by swap-utils; they are provided by block-mount instead. Signed-off-by: Nathan Hintz <nlhintz@hotmail.com> SVN-Revision: 38795
* packages: clean up the package folderJohn Crispin2013-06-212-0/+169
Signed-off-by: John Crispin <blogic@openwrt.org> SVN-Revision: 37007
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