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f9028317b2
This patch simply adds a newline character at end-of-file to those files in Documentation/ that currently lack one. This is done for a few different reasons: A) It's rather annoying when you do "cat some_file.txt" that your prompt/cursor ends up at the end of the last line of output rather than on a new line. B) Some tools that process files line-by-line may get confused by the lack of a newline on the last line. C) The "\ No newline at end of file" line in diffs annoys me for some reason. So, let's just add the missing newline once and for all. Signed-off-by: Jesper Juhl <jj@chaosbits.net> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
100 lines
3.3 KiB
Plaintext
100 lines
3.3 KiB
Plaintext
What: /sys/block/zram<id>/disksize
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Date: August 2010
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Contact: Nitin Gupta <ngupta@vflare.org>
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Description:
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The disksize file is read-write and specifies the disk size
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which represents the limit on the *uncompressed* worth of data
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that can be stored in this disk.
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What: /sys/block/zram<id>/initstate
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Date: August 2010
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Contact: Nitin Gupta <ngupta@vflare.org>
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Description:
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The disksize file is read-only and shows the initialization
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state of the device.
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What: /sys/block/zram<id>/reset
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Date: August 2010
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Contact: Nitin Gupta <ngupta@vflare.org>
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Description:
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The disksize file is write-only and allows resetting the
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device. The reset operation frees all the memory assocaited
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with this device.
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What: /sys/block/zram<id>/num_reads
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Date: August 2010
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Contact: Nitin Gupta <ngupta@vflare.org>
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Description:
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The num_reads file is read-only and specifies the number of
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reads (failed or successful) done on this device.
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What: /sys/block/zram<id>/num_writes
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Date: August 2010
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Contact: Nitin Gupta <ngupta@vflare.org>
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Description:
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The num_writes file is read-only and specifies the number of
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writes (failed or successful) done on this device.
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What: /sys/block/zram<id>/invalid_io
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Date: August 2010
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Contact: Nitin Gupta <ngupta@vflare.org>
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Description:
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The invalid_io file is read-only and specifies the number of
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non-page-size-aligned I/O requests issued to this device.
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What: /sys/block/zram<id>/notify_free
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Date: August 2010
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Contact: Nitin Gupta <ngupta@vflare.org>
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Description:
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The notify_free file is read-only and specifies the number of
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swap slot free notifications received by this device. These
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notifications are send to a swap block device when a swap slot
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is freed. This statistic is applicable only when this disk is
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being used as a swap disk.
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What: /sys/block/zram<id>/discard
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Date: August 2010
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Contact: Nitin Gupta <ngupta@vflare.org>
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Description:
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The discard file is read-only and specifies the number of
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discard requests received by this device. These requests
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provide information to block device regarding blocks which are
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no longer used by filesystem.
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What: /sys/block/zram<id>/zero_pages
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Date: August 2010
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Contact: Nitin Gupta <ngupta@vflare.org>
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Description:
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The zero_pages file is read-only and specifies number of zero
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filled pages written to this disk. No memory is allocated for
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such pages.
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What: /sys/block/zram<id>/orig_data_size
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Date: August 2010
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Contact: Nitin Gupta <ngupta@vflare.org>
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Description:
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The orig_data_size file is read-only and specifies uncompressed
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size of data stored in this disk. This excludes zero-filled
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pages (zero_pages) since no memory is allocated for them.
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Unit: bytes
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What: /sys/block/zram<id>/compr_data_size
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Date: August 2010
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Contact: Nitin Gupta <ngupta@vflare.org>
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Description:
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The compr_data_size file is read-only and specifies compressed
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size of data stored in this disk. So, compression ratio can be
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calculated using orig_data_size and this statistic.
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Unit: bytes
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What: /sys/block/zram<id>/mem_used_total
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Date: August 2010
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Contact: Nitin Gupta <ngupta@vflare.org>
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Description:
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The mem_used_total file is read-only and specifies the amount
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of memory, including allocator fragmentation and metadata
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overhead, allocated for this disk. So, allocator space
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efficiency can be calculated using compr_data_size and this
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statistic.
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Unit: bytes
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