Project import generated by Copybara.
GitOrigin-RevId: 34ad166a830d3ac1541dcce571c52231f2f0865a
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1 changed files with 15 additions and 1 deletions
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@ -80,6 +80,15 @@ in
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'';
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};
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memoryMax = mkOption {
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default = null;
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type = with types; nullOr int;
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description = ''
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Maximum total amount of memory (in bytes) that can be used by the zram
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swap devices.
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'';
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};
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priority = mkOption {
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default = 5;
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type = types.int;
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@ -146,7 +155,12 @@ in
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# Calculate memory to use for zram
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mem=$(${pkgs.gawk}/bin/awk '/MemTotal: / {
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print int($2*${toString cfg.memoryPercent}/100.0/${toString devicesCount}*1024)
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value=int($2*${toString cfg.memoryPercent}/100.0/${toString devicesCount}*1024);
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${if cfg.memoryMax != null then ''
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memory_max=int(${toString cfg.memoryMax}/${toString devicesCount});
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if (value > memory_max) { value = memory_max }
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'' else ""}
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print value
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}' /proc/meminfo)
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${pkgs.utillinux}/sbin/zramctl --size $mem --algorithm ${cfg.algorithm} /dev/${dev}
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