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author | Vasilis Tsiligiannis <b_tsiligiannis@silverton.gr> | 2013-01-07 12:01:11 +0000 |
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committer | Vasilis Tsiligiannis <b_tsiligiannis@silverton.gr> | 2013-01-07 12:01:11 +0000 |
commit | 16b08bfc594cff67e02fd1931ee137db754d5cab (patch) | |
tree | 7b97a8f29e4d428a674ef3ae4a7f085f20afad25 /package/zram-swap/files/etc | |
parent | a4e7f8c15720a654780744fdb5cba28de817e26b (diff) | |
download | upstream-16b08bfc594cff67e02fd1931ee137db754d5cab.tar.gz upstream-16b08bfc594cff67e02fd1931ee137db754d5cab.tar.bz2 upstream-16b08bfc594cff67e02fd1931ee137db754d5cab.zip |
[package] zram-swap: Install init script with 0755 mode
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35033 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/zram-swap/files/etc')
-rwxr-xr-x | package/zram-swap/files/etc/init.d/zram | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/package/zram-swap/files/etc/init.d/zram b/package/zram-swap/files/etc/init.d/zram deleted file mode 100755 index 23de915c8f..0000000000 --- a/package/zram-swap/files/etc/init.d/zram +++ /dev/null @@ -1,123 +0,0 @@ -#!/bin/sh /etc/rc.common - -START=15 - -ram_size() -{ - local line - - while read line; do case "$line" in MemTotal:*) set $line; echo "$2"; break ;; esac; done </proc/meminfo -} - -zram_size() # in megabytes -{ - local zram_size="$( uci -q get system.@system[0].zram_size_mb )" - local ram_size="$( ram_size )" - - if [ -z "$zram_size" ]; then - # e.g. 6mb for 16mb-routers or 61mb for 128mb-routers - echo $(( $ram_size / 2048 )) - else - echo "$zram_size" - fi -} - -zram_applicable() -{ - local zram_dev="$1" - - grep -sq ^"$zram_dev " /proc/swaps && { - logger -s -t zram_applicable -p daemon.notice "[OK] '$zram_dev' already active" - return 1 - } - - [ -e "$zram_dev" ] || { - logger -s -t zram_applicable -p daemon.crit "[ERROR] device '$zram_dev' not found" - return 1 - } - - which mkswap >/dev/null || { - logger -s -t zram_applicable -p daemon.err "[ERROR] 'mkswap' not installed" - return 1 - } - - which swapon >/dev/null || { - logger -s -t zram_applicable -p daemon.err "[ERROR] 'swapon' not installed" - return 1 - } - - which swapoff >/dev/null || { - logger -s -t zram_applicable -p daemon.err "[ERROR] 'swapoff' not installed" - return 1 - } -} - -zram_dev() -{ - local core="$1" - - echo "/dev/zram${core:-0}" -} - -zram_reset() -{ - local dev="$1" - local message="$2" - local proc_entry="/sys/block/$( basename "$dev" )/reset" - - logger -s -t zram_reset -p daemon.debug "$message via $proc_entry" - echo "1" >"$proc_entry" -} - -list_cpu_idx() -{ - local line i=0 - - while read line; do { - case "$line" in - [Pp]rocessor*) - echo $i - i=$(( $i + 1 )) - ;; - esac - } done <"/proc/cpuinfo" -} - -start() -{ - # http://shmilyxbq-compcache.googlecode.com/hg/README - # if >1 cpu_core, reinit kmodule with e.g. num_devices=4 - - local zram_size="$( zram_size )" - local zram_dev core - - for core in $( list_cpu_idx ); do { - zram_dev="$( zram_dev "$core" )" - zram_applicable "$zram_dev" || return 1 - - logger -s -t zram_start -p daemon.debug "activating '$zram_dev' for swapping ($zram_size MegaBytes)" - - zram_reset "$zram_dev" "enforcing defaults" - echo $(( $zram_size * 1024 * 1024 )) >"/sys/block/$( basename $zram_dev )/disksize" - mkswap "$zram_dev" - swapon "$zram_dev" - } done -} - -stop() -{ - local zram_dev proc_entry - - for core in $( list_cpu_idx ); do { - zram_dev="$( zram_dev "$core" )" - proc_entry="/sys/block/$( basename "$zram_dev" )/reset" - - grep -sq ^"$zram_dev " /proc/swaps && { - logger -s -t zram_stop -p daemon.debug "deactivate swap $zram_dev" - swapoff "$zram_dev" - } - - zram_reset "$zram_dev" "claiming memory back" - } done -} - |