On (22/10/27 13:03), Andrew Morton wrote: > The patch titled > Subject: zram: add size class equals check into recompression > has been added to the -mm mm-unstable branch. Its filename is > zram-add-size-class-equals-check-into-recompression.patch > > This patch will shortly appear at > https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/zram-add-size-class-equals-check-into-recompression.patch [..] > Patch series "zsmalloc/zram: configurable zspage size", v3. > > It makes no sense for us to recompress the object if it will be in the > same size class. We anyway don't get any memory gain. But, at the same > time, we get a CPU time overhead when inserting this object into zspage > and decompressing it afterwards. > > Link: https://lkml.kernel.org/r/20221027042651.234524-1-senozhatsky@xxxxxxxxxxxx > Link: https://lkml.kernel.org/r/20221027042651.234524-2-senozhatsky@xxxxxxxxxxxx > Signed-off-by: Alexey Romanov <avromanov@xxxxxxxxxxxxxx> > Cc: Minchan Kim <minchan@xxxxxxxxxx> > Cc: Nitin Gupta <ngupta@xxxxxxxxxx> > Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Reviewed-by: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>