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Alexey Romanov 7c2af309ab zram: add size class equals check into recompression 
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.

[senozhatsky: rebased and fixed conflicts]
Link: https://lkml.kernel.org/r/20221109115047.2921851-9-senozhatsky@chromium.org
Signed-off-by: Alexey Romanov <avromanov@sberdevices.ru>
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Nhat Pham <nphamcs@gmail.com>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Suleiman Souhlal <suleiman@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-11-30 15:58:52 -08:00
..
acpi ACPI: APEI: Fix integer overflow in ghes_estatus_pool_init() 2022-10-13 20:40:09 +02:00
asm-generic mm: delay page_remove_rmap() until after the TLB has been flushed 2022-11-30 15:58:50 -08:00
clocksource
crypto
drm Merge drm/drm-fixes into drm-misc-fixes 2022-10-20 09:09:00 +02:00
dt-bindings These are the pin control changes for the v6.1 kernel cycle: 2022-10-11 10:59:59 -07:00
keys
kunit kunit: declare kunit_assert structs as const 2022-10-07 10:19:18 -06:00
kvm
linux zram: add size class equals check into recompression 2022-11-30 15:58:52 -08:00
math-emu
media media fixes for v6.1-rc2 2022-10-22 15:30:15 -07:00
memory
misc
net netlink: introduce bigendian integer types 2022-11-01 21:29:06 -07:00
pcmcia
ras
rdma
rv
scsi SCSI misc on 20221007 2022-10-07 12:33:18 -07:00
soc RISC-V Patches for the 6.1 Merge Window, Part 2 2022-10-14 11:21:11 -07:00
sound ASoC: Fixes for v6.1 2022-10-27 08:26:32 +02:00
target
trace mm: convert mm's rss stats into percpu_counter 2022-11-30 15:58:40 -08:00
uapi - Rename a perf memory level event define to denote it is of CXL type 2022-10-30 09:49:18 -07:00
ufs SCSI misc on 20221007 2022-10-07 12:33:18 -07:00
vdso
video
xen xen/virtio: enable grant based virtio on x86 2022-10-10 14:31:26 +02:00