[syslinux] Using memdisk with grub2 and a gzip-compressed ISO

H. Peter Anvin hpa at zytor.com
Mon Apr 27 15:20:40 PDT 2015


On 04/23/2015 11:25 PM, Andrei Borzenkov via Syslinux wrote:
> On Fri, Apr 24, 2015 at 7:39 AM, H. Peter Anvin <hpa at zytor.com> wrote:
>> On 04/23/2015 08:41 PM, Andrei Borzenkov wrote:
>>>
>>> CRC+length (in case of gzip) are located immediately after compressed
>>> stream. After stream is decompressed you get location where it ends and
>>> automatically where length is located.
>>>
>>
>> I know.  One could decompress it twice,
> 
> Cannot you incrementally reallocate uncompressed buffer?
> 

That is very hard because of how memory is managed in MEMDISK.

	-hpa




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