On Sun, Dec 20, 2020 at 02:22:28AM +0200, Vitaly Wool wrote: > zsmalloc takes bit spinlock in its _map() callback and releases it > only in unmap() which is unsafe and leads to zswap complaining > about scheduling in atomic context. > > To fix that and to improve RT properties of zsmalloc, remove that > bit spinlock completely and use a bit flag instead. Isn't this just "I open coded bit spinlock to make the lockdep warnings go away"?
