Re: [PATCH]: Compress hibernation image with LZO (in-kernel)
From: KAMEZAWA Hiroyuki
Date: Tue Aug 03 2010 - 22:29:40 EST
On Wed, 04 Aug 2010 12:24:57 +1000
Nigel Cunningham <nigel@xxxxxxxxxxxx> wrote:
> Yes, because what's being written is the snapshot that was created in
> hibernation_snapshot. Any memory you allocate afterwards is irrelevant
> because it's not part of that snapshot that was made earlier and is now
> being written to disk. Think of the point where hibernation_snapshot is
> called as being like taking a photo, and this later part as like
> printing the photo. Once you've taken the photo, people in the photo can
> move around without making any difference to the photo you've taken. So
> here. Our vmallocs and so on after the snapshot don't affect it.
I see. I misunderstood swsusp_save().
Sorry for tons of noises.
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