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Searched refs:zram (Results 1 – 16 of 16) sorted by relevance

/linux/drivers/block/zram/
H A Dzram_drv.c59 static void slot_free(struct zram *zram, unsigned long index);
73 static __must_check bool slot_trylock(struct zram *zram, unsigned long index) in slot_trylock() argument
75 unsigned long *lock = &zram->table[index].__lock; in slot_trylock()
78 mutex_acquire(&zram->table_lock_map, 0, 1, _RET_IP_); in slot_trylock()
79 lock_acquired(&zram->table_lock_map, _RET_IP_); in slot_trylock()
86 static void slot_lock(struct zram *zram, unsigned long index) in slot_lock() argument
88 unsigned long *lock = &zram->table[index].__lock; in slot_lock()
90 mutex_acquire(&zram->table_lock_map, 0, 0, _RET_IP_); in slot_lock()
92 lock_acquired(&zram->table_lock_map, _RET_IP_); in slot_lock()
95 static void slot_unlock(struct zram *zram, unsigned long index) in slot_unlock() argument
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H A DMakefile3 zram-y := zcomp.o zram_drv.o
5 zram-$(CONFIG_ZRAM_BACKEND_LZO) += backend_lzorle.o backend_lzo.o
6 zram-$(CONFIG_ZRAM_BACKEND_LZ4) += backend_lz4.o
7 zram-$(CONFIG_ZRAM_BACKEND_LZ4HC) += backend_lz4hc.o
8 zram-$(CONFIG_ZRAM_BACKEND_ZSTD) += backend_zstd.o
9 zram-$(CONFIG_ZRAM_BACKEND_DEFLATE) += backend_deflate.o
10 zram-$(CONFIG_ZRAM_BACKEND_842) += backend_842.o
12 obj-$(CONFIG_ZRAM) += zram.o
H A Dzram_drv.h121 struct zram { struct
/linux/tools/testing/selftests/zram/
H A Dzram_lib.sh49 echo "zram cleanup"
52 swapoff /dev/zram$i
56 umount /dev/zram$i
60 echo 1 > /sys/block/zram${i}/reset
61 rm -rf zram$i
66 echo $i > /sys/class/zram-control/hot_remove
71 rmmod zram > /dev/null 2>&1
77 echo "create '$dev_num' zram device(s)"
79 # zram module loaded, new kernel
80 if [ -d "/sys/class/zram
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H A 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>/
22 zram.sh: For sanity check of CONFIG_ZRAM and to run zram01 and zram02
39 kernel-source-tree/Documentation/admin-guide/blockdev/zram.rst
H A DMakefile4 TEST_PROGS := zram.sh
H A Dzram01.sh40 dd conv=notrunc if=/dev/zero of=zram${i}/file \
/linux/Documentation/ABI/testing/
H A 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
/linux/Documentation/admin-guide/blockdev/
H A Dzram.rst2 zram: Compressed RAM-based block devices
8 The zram module creates RAM-based block devices named /dev/zram<id>
14 Statistics for individual zram devices are exported through sysfs nodes at
15 /sys/block/zram<id>/
20 There are several ways to configure and manage zram device(-s):
22 a) using zram and zram_control sysfs attributes
25 In this document we will describe only 'manual' zram configuration steps,
26 IOW, zram and zram_control sysfs attributes.
30 that zram maintainers do not develop/maintain util-linux or zramctl, should
33 Following shows a typical sequence of steps for using zram.
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/linux/Documentation/translations/zh_CN/mm/
H A Dzsmalloc.rst13 这个分配器是为与zram一起使用而设计的。因此，该分配器应该在低内存条件下工作良好。特别是，
/linux/tools/testing/selftests/
H A DMakefile144 TARGETS += zram
/linux/drivers/block/
H A DKconfig109 source "drivers/block/zram/Kconfig"
/linux/Documentation/
H A D.renames.txt117 blockdev/zram admin-guide/blockdev/zram
/linux/mm/
H A DKconfig131 comment "Zsmalloc is a common backend allocator for zswap & zram"
/linux/
H A DCREDITS1552 D: zsmalloc memory allocator and zram block device driver
H A DMAINTAINERS30138 F: Documentation/ABI/testing/sysfs-block-zram
30139 F: Documentation/ABI/testing/sysfs-class-zram
30140 F: Documentation/admin-guide/blockdev/zram.rst
30141 F: drivers/block/zram/
30142 F: tools/testing/selftests/zram/