Re: [RFC PATCH 0/2] remove SWAP_MAP_SHMEM

[Huang, Ying]

Barry Song <21cnbao@xxxxxxxxx> writes:

[snip]

> I am perfectly fine with the approach, in the first loop, if we find all entries
> don't need CONTINUED, we can run the 2nd loop even for usage==1
> and nr > 1. this is almost always true for a real product where anon folios
> are unlikely to be fork-shared by so many processes.

One possible use case is ksm.  Where the map count could be large.

--
Best Regards,
Huang, Ying