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Searched refs:zram (Results 1 – 17 of 17) sorted by relevance

/Linux-v4.19/drivers/block/zram/
Dzram_drv.c54 static void zram_free_page(struct zram *zram, size_t index);
56 static void zram_slot_lock(struct zram *zram, u32 index) in zram_slot_lock() argument
58 bit_spin_lock(ZRAM_LOCK, &zram->table[index].value); in zram_slot_lock()
61 static void zram_slot_unlock(struct zram *zram, u32 index) in zram_slot_unlock() argument
63 bit_spin_unlock(ZRAM_LOCK, &zram->table[index].value); in zram_slot_unlock()
66 static inline bool init_done(struct zram *zram) in init_done() argument
68 return zram->disksize; in init_done()
71 static inline bool zram_allocated(struct zram *zram, u32 index) in zram_allocated() argument
74 return (zram->table[index].value >> (ZRAM_FLAG_SHIFT + 1)) || in zram_allocated()
75 zram->table[index].handle; in zram_allocated()
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DKconfig16 See Documentation/blockdev/zram.txt for more information.
28 See Documentation/blockdev/zram.txt for more information.
36 /sys/kernel/debug/zram/zramX/block_state.
38 See Documentation/blockdev/zram.txt for more information.
DMakefile1 zram-y := zcomp.o zram_drv.o
3 obj-$(CONFIG_ZRAM) += zram.o
Dzram_drv.h84 struct zram { struct
/Linux-v4.19/tools/testing/selftests/zram/
Dzram_lib.sh42 swapoff /dev/zram$i
46 umount /dev/zram$i
50 echo 1 > /sys/block/zram${i}/reset
51 rm -rf zram$i
60 rmmod zram > /dev/null 2>&1
67 MODULE_PATH=/lib/modules/`uname -r`/kernel/drivers/block/zram/zram.ko
71 modprobe zram num_devices=$dev_num
77 dev_num_created=$(ls /dev/zram* | wc -w)
172 mkswap /dev/zram$i > err.log 2>&1
178 swapon /dev/zram$i > err.log 2>&1
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DREADME1 zram: Compressed RAM based block devices
5 The zram module creates RAM based block devices named /dev/zram<id>
11 Statistics for individual zram devices are exported through sysfs nodes at
12 /sys/block/zram<id>/
23 zram.sh: For sanity check of CONFIG_ZRAM and to run zram01 and zram02
40 kernel-source-tree/Documentation/blockdev/zram.txt
Dzram.sh22 MODULE_PATH=/lib/modules/`uname -r`/kernel/drivers/block/zram/zram.ko
DMakefile4 TEST_PROGS := zram.sh
Dzram01.sh51 dd conv=notrunc if=/dev/zero of=zram${i}/file \
/Linux-v4.19/Documentation/blockdev/
Dzram.txt1 zram: Compressed RAM based block devices
6 The zram module creates RAM based block devices named /dev/zram<id>
12 Statistics for individual zram devices are exported through sysfs nodes at
13 /sys/block/zram<id>/
17 There are several ways to configure and manage zram device(-s):
18 a) using zram and zram_control sysfs attributes
21 In this document we will describe only 'manual' zram configuration steps,
22 IOW, zram and zram_control sysfs attributes.
26 that zram maintainers do not develop/maintain util-linux or zramctl, should
29 Following shows a typical sequence of steps for using zram.
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/Linux-v4.19/Documentation/ABI/testing/
Dsysfs-class-zram1 What: /sys/class/zram-control/
6 The zram-control/ class sub-directory belongs to zram
9 What: /sys/class/zram-control/hot_add
14 RO attribute. Read operation will cause zram to add a new
16 use /dev/zram<id>), or error code.
18 What: /sys/class/zram-control/hot_remove
Dsysfs-block-zram1 What: /sys/block/zram<id>/disksize
10 What: /sys/block/zram<id>/initstate
17 What: /sys/block/zram<id>/reset
25 What: /sys/block/zram<id>/max_comp_streams
33 What: /sys/block/zram<id>/comp_algorithm
41 What: /sys/block/zram<id>/mem_used_max
46 the counter of maximum memory zram have consumed to store
51 What: /sys/block/zram<id>/mem_limit
60 What: /sys/block/zram<id>/compact
68 What: /sys/block/zram<id>/io_stat
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/Linux-v4.19/drivers/block/
DMakefile39 obj-$(CONFIG_ZRAM) += zram/
DKconfig122 source "drivers/block/zram/Kconfig"
/Linux-v4.19/tools/testing/selftests/
DMakefile48 TARGETS += zram
/Linux-v4.19/Documentation/vm/
Dzsmalloc.rst7 This allocator is designed for use with zram. Thus, the allocator is
/Linux-v4.19/
DMAINTAINERS16229 F: drivers/block/zram/
16230 F: Documentation/blockdev/zram.txt