25 lines
607 B
Bash
25 lines
607 B
Bash
#!/bin/sh
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# Copyright (C) 2006 OpenWrt.org
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# Copyright (C) 2010 Vertical Communications
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do_mount_procfs() {
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mount -o noatime -t proc proc /proc
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}
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do_mount_sysfs() {
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mount -o noatime -tsysfs sysfs /sys
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}
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calc_tmpfs_size() {
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pi_size=$(awk '/MemTotal:/ {l=5242880;mt=($2*1024);print((s=mt/2)<l)&&(mt>l)?mt-l:s}' /proc/meminfo)
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}
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do_mount_tmpfs() {
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calc_tmpfs_size
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mount -o noatime -t tmpfs -o size=$pi_size,nosuid,nodev,mode=1777 tmpfs /tmp
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}
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boot_hook_add preinit_essential do_mount_procfs
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boot_hook_add preinit_essential do_mount_sysfs
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boot_hook_add preinit_essential do_mount_tmpfs
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