Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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kernel/power/Kconfig
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74
kernel/power/Kconfig
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config PM
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bool "Power Management support"
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---help---
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"Power Management" means that parts of your computer are shut
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off or put into a power conserving "sleep" mode if they are not
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being used. There are two competing standards for doing this: APM
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and ACPI. If you want to use either one, say Y here and then also
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to the requisite support below.
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Power Management is most important for battery powered laptop
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computers; if you have a laptop, check out the Linux Laptop home
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page on the WWW at <http://www.linux-on-laptops.com/> or
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Tuxmobil - Linux on Mobile Computers at <http://www.tuxmobil.org/>
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and the Battery Powered Linux mini-HOWTO, available from
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<http://www.tldp.org/docs.html#howto>.
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Note that, even if you say N here, Linux on the x86 architecture
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will issue the hlt instruction if nothing is to be done, thereby
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sending the processor to sleep and saving power.
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config PM_DEBUG
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bool "Power Management Debug Support"
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depends on PM
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---help---
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This option enables verbose debugging support in the Power Management
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code. This is helpful when debugging and reporting various PM bugs,
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like suspend support.
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config SOFTWARE_SUSPEND
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bool "Software Suspend (EXPERIMENTAL)"
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depends on EXPERIMENTAL && PM && SWAP
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---help---
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Enable the possibility of suspending the machine.
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It doesn't need APM.
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You may suspend your machine by 'swsusp' or 'shutdown -z <time>'
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(patch for sysvinit needed).
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It creates an image which is saved in your active swap. Upon next
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boot, pass the 'resume=/dev/swappartition' argument to the kernel to
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have it detect the saved image, restore memory state from it, and
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continue to run as before. If you do not want the previous state to
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be reloaded, then use the 'noresume' kernel argument. However, note
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that your partitions will be fsck'd and you must re-mkswap your swap
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partitions. It does not work with swap files.
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Right now you may boot without resuming and then later resume but
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in meantime you cannot use those swap partitions/files which were
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involved in suspending. Also in this case there is a risk that buffers
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on disk won't match with saved ones.
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For more information take a look at <file:Documentation/power/swsusp.txt>.
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config PM_STD_PARTITION
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string "Default resume partition"
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depends on SOFTWARE_SUSPEND
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default ""
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---help---
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The default resume partition is the partition that the suspend-
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to-disk implementation will look for a suspended disk image.
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The partition specified here will be different for almost every user.
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It should be a valid swap partition (at least for now) that is turned
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on before suspending.
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The partition specified can be overridden by specifying:
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resume=/dev/<other device>
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which will set the resume partition to the device specified.
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Note there is currently not a way to specify which device to save the
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suspended image to. It will simply pick the first available swap
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device.
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