Hi all,
I'm playing with an algorithm which makes use of large contiguous blocks of
kernel memory (ranging from 1M to 1G in size), so it would be nice if those
could be somehow forcibly mapped to superpages. I was hoping that the VM
system would automagically map (merge) contiguous 4k pages to
On Sun, May 20, 2012 at 2:01 AM, Marko Zec wrote:
> Hi all,
>
> I'm playing with an algorithm which makes use of large contiguous blocks of
> kernel memory (ranging from 1M to 1G in size), so it would be nice if those
> could be somehow forcibly mapped to superpages. I was hoping that the VM
> s
On Sat, May 19, 2012 at 9:40 PM, Andriy Gapon wrote:
> on 19/05/2012 17:52 Fernando Apesteguía said the following:
>> Hi,
>>
>> I'm having some system crashes from time to time. I had this before
>> but until recently I couldn't set my system so I could get crash
>> dumps.
>>
>> My video card is a
Hi,
On 2012-05-19 20:59, سید احمد حسینی wrote:
I used boot0 with boot9cfg : boot0cfg -B -b /boot/boot0 ada0
And I can see boot0 menu ,but Ubuntu can't boot!
On May 19, 2012 11:26 PM, "سید احمد حسینی" wrote:
You should make sure that GRUB is installed in the PBR (partition boot
record) of
On Sunday 20 May 2012 09:25:59 Alan Cox wrote:
> On Sun, May 20, 2012 at 2:01 AM, Marko Zec wrote:
> > Hi all,
> >
> > I'm playing with an algorithm which makes use of large contiguous blocks
> > of kernel memory (ranging from 1M to 1G in size), so it would be nice if
> > those could be somehow fo
On 20 May 2012 15:08, Uffe Jakobsen wrote:
>
>
> Hi,
>
>
> On 2012-05-19 20:59, سید احمد حسینی wrote:
>>
>> I used boot0 with boot9cfg : boot0cfg -B -b /boot/boot0 ada0
>> And I can see boot0 menu ,but Ubuntu can't boot!
>> On May 19, 2012 11:26 PM, "سید احمد حسینی" wrote:
>>
>
> You should make
On 05/20/2012 09:43, Marko Zec wrote:
On Sunday 20 May 2012 09:25:59 Alan Cox wrote:
On Sun, May 20, 2012 at 2:01 AM, Marko Zec wrote:
Hi all,
I'm playing with an algorithm which makes use of large contiguous blocks
of kernel memory (ranging from 1M to 1G in size), so it would be nice if
thos
On 19.05.12 22:02, Mel Flynn wrote:
> As I read the original intent is to post crashdumps at a specified
> remote location through rc(8) using an sh(1) script on the next
> reboot. tar seemed appropriate. I'm only mentioning extending
> libfetch(3), because it will be easy for fetch(1) to pick it u
On May 19, 2012, at 11:36 AM, rozhuk...@gmail.com wrote:
> Do not use MBR (or manually do all to align).
> 63 - not 4k aligned.
Right now, the "-a" alignment option for "gpart add" is broken when
used with MBR partitions. It looks like the gpart command uses
it to correctly align the start/end
historic / cumulative stats, or is vm.pmap.pde.promotions the actual number
of superpages active? Or should we subtract vm.pmap.pde.demotions from it to
get the current value?
yes substracting gives current value.
___
freebsd-hackers@freebsd.org maili
vm.pmap.pde.demotions: 31
No, your conclusion is incorrect. These counts show that 543 superpage
mappings were created by promotion.
OK, that sounds promising. Does "created by promotion" count reflect
historic / cumulative stats, or is vm.pmap.pde.promotions the actual number
of superpages
On Sunday 20 May 2012 19:34:26 Alan Cox wrote:
...
> > In any case, I wish to be certain that a particular kmem virtual address
> > range is mapped to superpages - how can I enforce that at malloc time,
> > and / or find out later if I really got my kmem mapped to superpages?
> > Perhaps vm_map_lo
On 05/20/2012 17:48, Marko Zec wrote:
On Sunday 20 May 2012 19:34:26 Alan Cox wrote:
...
In any case, I wish to be certain that a particular kmem virtual address
range is mapped to superpages - how can I enforce that at malloc time,
and / or find out later if I really got my kmem mapped to super
On Monday 21 May 2012 01:12:01 Alan Cox wrote:
...
> >>> BTW, apparently malloc(size, M_TEMP, M_NOWAIT) requests fail for size>
> >>> 1G, even at boot time. Any ideas how to circumvent that (8.3-STABLE,
> >>> amd64, 4G physical RAM)?
> >>
> >> I suspect that you need to increase the size of your k
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