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Linux ip-172-26-7-228 5.4.0-1103-aws #111~18.04.1-Ubuntu SMP Tue May 23 20:04:10 UTC 2023 x86_64

Your IP : 18.118.195.30

Current Path : /proc/self/root/usr/src/linux-aws-headers-4.15.0-1021/drivers/block/zram/
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Current File : //proc/self/root/usr/src/linux-aws-headers-4.15.0-1021/drivers/block/zram/Kconfig

# SPDX-License-Identifier: GPL-2.0
config ZRAM
	tristate "Compressed RAM block device support"
	depends on BLOCK && SYSFS && ZSMALLOC && CRYPTO
	select CRYPTO_LZO
	default n
	help
	  Creates virtual block devices called /dev/zramX (X = 0, 1, ...).
	  Pages written to these disks are compressed and stored in memory
	  itself. These disks allow very fast I/O and compression provides
	  good amounts of memory savings.

	  It has several use cases, for example: /tmp storage, use as swap
	  disks and maybe many more.

	  See zram.txt for more information.

config ZRAM_WRITEBACK
       bool "Write back incompressible page to backing device"
       depends on ZRAM
       default n
       help
	 With incompressible page, there is no memory saving to keep it
	 in memory. Instead, write it out to backing device.
	 For this feature, admin should set up backing device via
	 /sys/block/zramX/backing_dev.

	 See zram.txt for more infomration.