这个地方有个很重要的标志需要记住,就是THP_SWPOUT_FALLBACK,它表示在THP回收的时候,是add to swap失败后,不得不先拆分成晓得normal的page后再回收的,与之对应的是THP_SWPOUT,也就是先加入到swapcache后再进行拆分的。 227staticinlinevoidcount_swpout_vm_event(structpage*page)228{229#ifdefCONFIG_TRANSPARENT...
/* THP isn't supported */ if(PageTransHuge(page)) return-1; if(pool<0) return-1; if(ind64!=ind) Expand Down 6 changes: 6 additions & 0 deletions6mm/zswap.c Original file line numberDiff line numberDiff line change Expand Up@@ -1007,6 +1007,12 @@ static int zswap_frontswap_st...
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