The patch titled
Subject: zram: add `compact` sysfs entry to documentation
has been removed from the -mm tree. Its filename was
zram-add-compact-sysfs-entry-to-documentation.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>
Subject: zram: add `compact` sysfs entry to documentation
We currently don't support zram on-demand device creation. The only way
to have N zram devices is to specify num_devices module parameter (default
value 1). That means that if, for some reason, at some point, user wants
to have N + 1 devies he/she must umount all the existing devices, unload
the module, load the module passing num_devices equals to N + 1.
This patchset introduces zram-control sysfs class, which has two sysfs
attrs:
- hot_add -- add a new zram device
- hot_remove -- remove a specific (device_id) zram device
Usage example:
# add a new specific zram device
cat /sys/class/zram-control/hot_add
1
# remove a specific zram device
echo 4 > /sys/class/zram-control/hot_remove
This patch (of 10):
Briefly describe missing `compact` sysfs entry.
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>
Acked-by: Minchan Kim <minchan@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/blockdev/zram.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN Documentation/blockdev/zram.txt~zram-add-compact-sysfs-entry-to-documentation Documentation/blockdev/zram.txt
--- a/Documentation/blockdev/zram.txt~zram-add-compact-sysfs-entry-to-documentation
+++ a/Documentation/blockdev/zram.txt
@@ -126,7 +126,7 @@ mem_used_max RW the maximum amou
mem_limit RW the maximum amount of memory ZRAM can use to store
the compressed data
num_migrated RO the number of objects migrated migrated by compaction
-
+compact WO trigger memory compaction
WARNING
=======
_
Patches currently in -mm which might be from sergey.senozhatsky@xxxxxxxxx are
origin.patch
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