On 01/08/2014 04:08 PM, Jan Kara wrote:
On Wed 08-01-14 14:07:03, Raghavendra K T wrote:
On 01/06/2014 04:26 PM, Jan Kara wrote:
On Mon 06-01-14 15:51:55, Raghavendra K T wrote:
---
test file looked something like this:
char buf[4096];
int main()
{
int fd = open("testfile", O_RDONLY);
On 01/08/2014 04:17 PM, Jan Kara wrote:
On Wed 08-01-14 14:19:23, Raghavendra K T wrote:
On 01/07/2014 03:43 AM, Andrew Morton wrote:
On Mon, 6 Jan 2014 15:51:55 +0530 Raghavendra K T
wrote:
[...]
But having said that I am not able to get an idea of sane implementation
to solve this
On Wed 08-01-14 14:19:23, Raghavendra K T wrote:
> On 01/07/2014 03:43 AM, Andrew Morton wrote:
> >On Mon, 6 Jan 2014 15:51:55 +0530 Raghavendra K T
> > wrote:
> >
> >>+ /*
> >>+* Readahead onto remote memory is better than no readahead when local
> >>+* numa node does not have memory.
On Wed 08-01-14 14:07:03, Raghavendra K T wrote:
> On 01/06/2014 04:26 PM, Jan Kara wrote:
> >On Mon 06-01-14 15:51:55, Raghavendra K T wrote:
> >>Currently, max_sane_readahead returns zero on the cpu with empty numa node,
> >>fix this by checking for potential empty numa node case during
On 01/07/2014 03:43 AM, Andrew Morton wrote:
On Mon, 6 Jan 2014 15:51:55 +0530 Raghavendra K T
wrote:
+ /*
+* Readahead onto remote memory is better than no readahead when local
+* numa node does not have memory. We sanitize readahead size depending
+* on free
On 01/06/2014 04:26 PM, Jan Kara wrote:
On Mon 06-01-14 15:51:55, Raghavendra K T wrote:
Currently, max_sane_readahead returns zero on the cpu with empty numa node,
fix this by checking for potential empty numa node case during calculation.
We also limit the number of readahead pages to 4k.
On 01/06/2014 04:26 PM, Jan Kara wrote:
On Mon 06-01-14 15:51:55, Raghavendra K T wrote:
Currently, max_sane_readahead returns zero on the cpu with empty numa node,
fix this by checking for potential empty numa node case during calculation.
We also limit the number of readahead pages to 4k.
On 01/07/2014 03:43 AM, Andrew Morton wrote:
On Mon, 6 Jan 2014 15:51:55 +0530 Raghavendra K T
raghavendra...@linux.vnet.ibm.com wrote:
+ /*
+* Readahead onto remote memory is better than no readahead when local
+* numa node does not have memory. We sanitize readahead
On Wed 08-01-14 14:07:03, Raghavendra K T wrote:
On 01/06/2014 04:26 PM, Jan Kara wrote:
On Mon 06-01-14 15:51:55, Raghavendra K T wrote:
Currently, max_sane_readahead returns zero on the cpu with empty numa node,
fix this by checking for potential empty numa node case during calculation.
We
On Wed 08-01-14 14:19:23, Raghavendra K T wrote:
On 01/07/2014 03:43 AM, Andrew Morton wrote:
On Mon, 6 Jan 2014 15:51:55 +0530 Raghavendra K T
raghavendra...@linux.vnet.ibm.com wrote:
+ /*
+* Readahead onto remote memory is better than no readahead when local
+* numa node does
On 01/08/2014 04:17 PM, Jan Kara wrote:
On Wed 08-01-14 14:19:23, Raghavendra K T wrote:
On 01/07/2014 03:43 AM, Andrew Morton wrote:
On Mon, 6 Jan 2014 15:51:55 +0530 Raghavendra K T
raghavendra...@linux.vnet.ibm.com wrote:
[...]
But having said that I am not able to get an idea of sane
On 01/08/2014 04:08 PM, Jan Kara wrote:
On Wed 08-01-14 14:07:03, Raghavendra K T wrote:
On 01/06/2014 04:26 PM, Jan Kara wrote:
On Mon 06-01-14 15:51:55, Raghavendra K T wrote:
---
test file looked something like this:
char buf[4096];
int main()
{
int fd = open(testfile, O_RDONLY);
On Mon, 6 Jan 2014 15:51:55 +0530 Raghavendra K T
wrote:
> Currently, max_sane_readahead returns zero on the cpu with empty numa node,
> fix this by checking for potential empty numa node case during calculation.
> We also limit the number of readahead pages to 4k.
>
> ...
>
> ---
On Mon 06-01-14 15:51:55, Raghavendra K T wrote:
> Currently, max_sane_readahead returns zero on the cpu with empty numa node,
> fix this by checking for potential empty numa node case during calculation.
> We also limit the number of readahead pages to 4k.
>
> Signed-off-by: Raghavendra K T
>
Currently, max_sane_readahead returns zero on the cpu with empty numa node,
fix this by checking for potential empty numa node case during calculation.
We also limit the number of readahead pages to 4k.
Signed-off-by: Raghavendra K T
---
The current patch limits the readahead into 4k pages (16MB
Currently, max_sane_readahead returns zero on the cpu with empty numa node,
fix this by checking for potential empty numa node case during calculation.
We also limit the number of readahead pages to 4k.
Signed-off-by: Raghavendra K T raghavendra...@linux.vnet.ibm.com
---
The current patch limits
On Mon 06-01-14 15:51:55, Raghavendra K T wrote:
Currently, max_sane_readahead returns zero on the cpu with empty numa node,
fix this by checking for potential empty numa node case during calculation.
We also limit the number of readahead pages to 4k.
Signed-off-by: Raghavendra K T
On Mon, 6 Jan 2014 15:51:55 +0530 Raghavendra K T
raghavendra...@linux.vnet.ibm.com wrote:
Currently, max_sane_readahead returns zero on the cpu with empty numa node,
fix this by checking for potential empty numa node case during calculation.
We also limit the number of readahead pages to
18 matches
Mail list logo
