On (10/10/19 23:20), Vitaly Wool wrote: [..] > static const char *default_compressor = "lzo-rle"; > > +#define BACKEND_PAR_BUF_SIZE 32 > +static char backend_par_buf[BACKEND_PAR_BUF_SIZE]; We can have multiple zram devices (zram0 .. zramN), I guess it would make sense not to force all devices to use one particular allocator (e.g. see comp_algorithm_store()). If the motivation for the patch set is that zsmalloc does not perform equally well for various data access patterns, then the same is true for any other allocator. Thus, I think, we need to have a per-device 'allocator' knob. -ss
