On Sat, Apr 27, 2019 at 12:17:21PM +0700, Igor Podlesny wrote: > Previously users could have different behaviour of malloc simultaneously: one > in > global FS, others in chroots. Say, in global it could be more relaxed > with lesser > performance impact and in some chroots more drastic, at contrary. With > 6.5 it's not > possible anymore, is it really so? This change has own pluses as well > indeed: one > knob to rule them all but then what if you need something special in > just one place, > something that shouldn't be following global sysctl parameters -- how > do you get it(?) malloc(3) man page mentions several ways to set malloc options:
- globally with vm.malloc_conf sysctl(2) - externally per apps with environment variable MALLOC_OPTIONS - internally per apps with global variable malloc_options in the program So I suppose you want to look at exported MALLOC_OPTIONS environment variable. Thanks. -- Sebastien Marie