Dear All, we are trying to make use of zramfs. In our android based board, we are seeing this output, *root@sandeep:/sys/block/zram0 # ls* *ls* *alignment_offset* *bdi* *capability* *compr_data_size* *dev* *discard_alignment* *disksize* *ext_range* *holders* *inflight* *initstate* *invalid_io* *mem_used_total* *notify_free* *num_reads* *num_writes* *orig_data_size* *power* *queue* *range* *removable* *reset* *ro* *size* *slaves* *stat* *subsystem* *uevent* *zero_pages* *Does this mean zram is activated ?* we are trying to do the operation to set disk size, *echo $((50*1024*1024)) > /sys/block/zram0/disksize* but still num_reads, num_writes is still zero. Can you pls let us know how to enable zramfs? -- With regards, Sandeep Kumar Anantapalli,
On 22 May 2014 12:58, sandeep kumar <coolsandyforyou@gmail.com> wrote:
Dear All,
we are trying to make use of zramfs. In our android based board, we are seeing this output,
root@sandeep:/sys/block/zram0 # ls
Does this mean zram is activated ?
Yes, zram is activated, otherwise you wouldn't have had zram0 created. Though you might not be using it... If you want to use it for swap, you'll have to run `swapon -p 100 /dev/zram0`. Well, '-p 100' isn't necessary, it's just to set the swap priority.
we are trying to do the operation to set disk size, echo $((50*1024*1024)) > /sys/block/zram0/disksize
This should have set the size of zram0. Cheers, Anders -- Anders Darander EPO guidelines 1978: "If the contribution to the known art resides solely in a computer program then the subject matter is not patentable in whatever manner it may be presented in the claims."
Dear Anders
Yes, zram is activated, otherwise you wouldn't have had zram0 created.
Though you might not be using it... If you want to use it for swap, you'll have to run `swapon -p 100 /dev/zram0`. Well, '-p 100' isn't necessary, it's just to set the swap priority.
In my system /dev/zram0 is not present but sys/block/zram0 is present. thats why i m having this doubt thanks sandeep On Thu, May 22, 2014 at 4:56 PM, Anders Darander <anders.darander@gmail.com>wrote:
On 22 May 2014 12:58, sandeep kumar <coolsandyforyou@gmail.com> wrote:
Dear All,
we are trying to make use of zramfs. In our android based board, we are seeing this output,
root@sandeep:/sys/block/zram0 # ls
Does this mean zram is activated ?
Yes, zram is activated, otherwise you wouldn't have had zram0 created.
Though you might not be using it... If you want to use it for swap, you'll have to run `swapon -p 100 /dev/zram0`. Well, '-p 100' isn't necessary, it's just to set the swap priority.
we are trying to do the operation to set disk size, echo $((50*1024*1024)) > /sys/block/zram0/disksize
This should have set the size of zram0.
Cheers, Anders
-- Anders Darander EPO guidelines 1978: "If the contribution to the known art resides solely in a computer program then the subject matter is not patentable in whatever manner it may be presented in the claims."
-- With regards, Sandeep Kumar Anantapalli,
In my system /dev/zram0 is not present but sys/block/zram0 is present. thats why i m having this doubt just now i found that we have zram0 in /dev/block/zram0 i tried the command you told,
*root@kleoslte:/ # swapon -p 100 /dev/block/zram0* *swapon -p 100 /dev/block/zram0* *swapon failed for /dev/block/zram0* is there anything else that i can try? On Fri, May 23, 2014 at 2:18 PM, sandeep kumar <coolsandyforyou@gmail.com>wrote:
Dear Anders
Yes, zram is activated, otherwise you wouldn't have had zram0 created.
Though you might not be using it... If you want to use it for swap, you'll have to run `swapon -p 100 /dev/zram0`. Well, '-p 100' isn't necessary, it's just to set the swap priority.
In my system /dev/zram0 is not present but sys/block/zram0 is present. thats why i m having this doubt
thanks sandeep
On Thu, May 22, 2014 at 4:56 PM, Anders Darander < anders.darander@gmail.com> wrote:
On 22 May 2014 12:58, sandeep kumar <coolsandyforyou@gmail.com> wrote:
Dear All,
we are trying to make use of zramfs. In our android based board, we are seeing this output,
root@sandeep:/sys/block/zram0 # ls
Does this mean zram is activated ?
Yes, zram is activated, otherwise you wouldn't have had zram0 created.
Though you might not be using it... If you want to use it for swap, you'll have to run `swapon -p 100 /dev/zram0`. Well, '-p 100' isn't necessary, it's just to set the swap priority.
we are trying to do the operation to set disk size, echo $((50*1024*1024)) > /sys/block/zram0/disksize
This should have set the size of zram0.
Cheers, Anders
-- Anders Darander EPO guidelines 1978: "If the contribution to the known art resides solely in a computer program then the subject matter is not patentable in whatever manner it may be presented in the claims."
-- With regards, Sandeep Kumar Anantapalli,
-- With regards, Sandeep Kumar Anantapalli,
works on linux desktop may also work on android: cat /proc/swaps: (should readout) /dev/block/zram0 52M (as kb readout most likely) if it shows a different slice path (/dev/zram0 for example) use swapon /that/mapping/path also try swapon -p 100 -v -a /dev/block/zram0 as this adds the following flags to activate ALL visible swaps and add a verbose function to create readout that may help in debuging issue Corey W Sheldon Owner, 1st Class Mobile Shine 310.909.7672 www.facebook.com/1stclassmobileshine On Fri, May 23, 2014 at 5:21 AM, sandeep kumar <coolsandyforyou@gmail.com>wrote:
In my system /dev/zram0 is not present but sys/block/zram0 is present. thats why i m having this doubt just now i found that we have zram0 in /dev/block/zram0 i tried the command you told,
*root@kleoslte:/ # swapon -p 100 /dev/block/zram0* *swapon -p 100 /dev/block/zram0* *swapon failed for /dev/block/zram0*
is there anything else that i can try?
On Fri, May 23, 2014 at 2:18 PM, sandeep kumar <coolsandyforyou@gmail.com>wrote:
Dear Anders
Yes, zram is activated, otherwise you wouldn't have had zram0 created.
Though you might not be using it... If you want to use it for swap, you'll have to run `swapon -p 100 /dev/zram0`. Well, '-p 100' isn't necessary, it's just to set the swap priority.
In my system /dev/zram0 is not present but sys/block/zram0 is present. thats why i m having this doubt
thanks sandeep
On Thu, May 22, 2014 at 4:56 PM, Anders Darander < anders.darander@gmail.com> wrote:
On 22 May 2014 12:58, sandeep kumar <coolsandyforyou@gmail.com> wrote:
Dear All,
we are trying to make use of zramfs. In our android based board, we are seeing this output,
root@sandeep:/sys/block/zram0 # ls
Does this mean zram is activated ?
Yes, zram is activated, otherwise you wouldn't have had zram0 created.
Though you might not be using it... If you want to use it for swap, you'll have to run `swapon -p 100 /dev/zram0`. Well, '-p 100' isn't necessary, it's just to set the swap priority.
we are trying to do the operation to set disk size, echo $((50*1024*1024)) > /sys/block/zram0/disksize
This should have set the size of zram0.
Cheers, Anders
-- Anders Darander EPO guidelines 1978: "If the contribution to the known art resides solely in a computer program then the subject matter is not patentable in whatever manner it may be presented in the claims."
-- With regards, Sandeep Kumar Anantapalli,
-- With regards, Sandeep Kumar Anantapalli,
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On Fri, 23 May 2014 08:38:16 -0400, Corey Sheldon said:
cat /proc/swaps: (should readout) /dev/block/zram0 52M (as kb readout most likely)
if it shows a different slice path (/dev/zram0 for example) use swapon /that/mapping/path
It won't show /dev/block/zram0 untin you've *already* done a swapon for that pathname ;)
participants (4)
-
Anders Darander -
Corey Sheldon -
sandeep kumar -
Valdis.Kletnieks@vt.edu