On (24/02/20 11:44), Chengming Zhou wrote: > From: Chengming Zhou <zhouchengming@xxxxxxxxxxxxx> > > Actually we seldom use the class_idx returned from get_zspage_mapping(), > only the zspage->fullness is useful, just use zspage->fullness to remove > this helper. > > Note zspage->fullness is not stable outside pool->lock, remove redundant > "VM_BUG_ON(fullness != ZS_INUSE_RATIO_0)" in async_free_zspage() since > we already have the same VM_BUG_ON() in __free_zspage(), which is safe to > access zspage->fullness with pool->lock held. > > Signed-off-by: Chengming Zhou <zhouchengming@xxxxxxxxxxxxx> Reviewed-by: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>
