Re: [PATCH v18 17/32] mm/compaction: do page isolation first in compaction

在 2020/9/22 上午7:49, Hugh Dickins 写道: > On Mon, 24 Aug 2020, Alex Shi wrote: > >> Currently, compaction would get the lru_lock and then do page isolation >> which works fine with pgdat->lru_lock, since any page isoltion would >> compete for the lru_lock. If we want to change to memcg lru_lock, w

Re: [PATCH v18 17/32] mm/compaction: do page isolation first in compaction

On Mon, 24 Aug 2020, Alex Shi wrote: > Currently, compaction would get the lru_lock and then do page isolation > which works fine with pgdat->lru_lock, since any page isoltion would > compete for the lru_lock. If we want to change to memcg lru_lock, we > have to isolate the page before getting lru

[PATCH v18 17/32] mm/compaction: do page isolation first in compaction

Currently, compaction would get the lru_lock and then do page isolation which works fine with pgdat->lru_lock, since any page isoltion would compete for the lru_lock. If we want to change to memcg lru_lock, we have to isolate the page before getting lru_lock, thus isoltion would block page's memcg