On 11/24/22 02:12, Roman Gushchin wrote: > On Mon, Nov 21, 2022 at 06:11:53PM +0100, Vlastimil Babka wrote: >> Currently SLUB enables its sysfs support depending unconditionally on >> the general CONFIG_SYSFS setting. To reduce the configuration >> combination space, make CONFIG_SLUB_TINY disable SLUB's sysfs support by >> reusing the existing SLAB_SUPPORTS_SYSFS define. It is unlikely that >> real tiny systems would combine CONFIG_SLUB_TINY with CONFIG_SYSFS, but >> a randconfig might. > > Hm, don't we want to introduce CONFIG_SLAB_SYSFS instead? > I believe many users don't really need it, even if they don't > need CONFIG_SLUB_TINY and they do have CONFIG_SYSFS. Dunno, adding more and more config options is generally frowned upon. Also tools might be using it to get more details than /proc/slabinfo does - i.e. tools/vm/slabinfo.c > Thanks!