On Wed, 9 Jun 2021, Vlastimil Babka wrote: > The handlers of sysfs files alloc_calls and free_calls also currently use this > shared bitmap, but their syscall context makes it straightforward to allocate a > private map before entering locked sections, so switch these processing paths > to use a private bitmap. Historically that was the case but there were various issues with recursion via sysfs etc etc. alloca was too stack intensive.... Hopefully this one will last.
