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Am Mittwoch 16 November 2005 20:07 schrieb Pavel Machek: > 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. 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. > 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". Stefan - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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