Hi!
> > No. Writing to file would trash the filesystem. But you can bmap the file,
> > then write to the block device.
>
> And for reading, I could used a device mapper enforced read only mount or
> filesystem code from grub.
Or use a filesystem that honours read-only option, like ext2...
> Hmm, how about a possibility to ask the kernel for a list of free pages on a
> swap device? This way, userspace could write the image to swap as the kernel
> currently does, avoiding possible trouble with filesystems.
Yes, that is the plan.
> > Better avoid memory allocation.
>
> And all memory allocated and mapped in advance would be part of the image. But
> this is totally acceptable for a "suspend helper".
Yes.
Pavel
--
Thanks, Sharp!
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
