On 01/24/2014 02:38 PM, Andi Kleen wrote: > T Makphaibulchoke <tmac@xxxxxx> writes: > >> The patch consists of three parts. >> >> The first part changes the implementation of both the block and hash chains of >> an mb_cache from list_head to hlist_bl_head and also introduces new members, >> including a spinlock to mb_cache_entry, as required by the second part. > > spinlock per entry is usually overkill for larger hash tables. > > Can you use a second smaller lock table that just has locks and is > indexed by a subset of the hash key. Most likely a very small > table is good enough. > > Also I would be good to have some data on the additional memory consumption. > > -Andi > Thanks Andi for the comments. Will look into that. Thanks, Mak. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
