On Tue, Feb 20, 2024 at 07:44:12PM +1300, Barry Song wrote: > From: Barry Song <v-songbaohua@xxxxxxxx> > > acomp's users might want to know if acomp is really async to > optimize themselves. One typical user which can benefit from > exposed async stat is zswap. > > In zswap, zsmalloc is the most commonly used allocator for > (and perhaps the only one). For zsmalloc, we cannot sleep > while we map the compressed memory, so we copy it to a > temporary buffer. By knowing the alg won't sleep can help > zswap to avoid the need for a buffer. This shows noticeable > improvement in load/store latency of zswap. > > Signed-off-by: Barry Song <v-songbaohua@xxxxxxxx> > --- > include/crypto/acompress.h | 6 ++++++ > 1 file changed, 6 insertions(+) Acked-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Thanks, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
