On Thu, Feb 13, 2020 at 02:59:52PM +0100, Jethro Beekman wrote: > Besides only partially measuring a page, there are some other fringe > cases that are technically possible, although I haven't seen any > toolchains that do that. These include not interleaving EADD and > EEXTEND, not using logical ordering for the EEXTENDs, and call EEXTEND > multiple times on the same chunk. Maximum interoperability would > require supporting any EADD/EEXTEND sequence. The reason why EEXTEND deals with chunks is nothing to do with the granularity but just to amortize the algorithm. I did ask about this and this is the answer that I got. I think it is perfectly sane for Linux to define ABI here in at this level. > Tested-by: Jethro Beekman <jethro@xxxxxxxxxxxx> Thanks you. > Sorry for being super late with this, I know you asked me for feedback > about this specific point in October. However, I did previously > mention several times that being able to measure individual 256-byte > chunks is necessary. NP. /Jarkko
