ffset,
110target_kaddr, bytes_to_copy);
The code I wrote (very similar to this) also copies page contents. But my
interest is transfering pages (zero-copy).
Regards.
PAP
> Subject: Re: transfering pages from user space to user space
> From: ydrone...@opteya.c
Hi:
> This sounds a lot like "Cross Memory Support" (eg CROSS_MEMORY_ATTACH
> option) introduced in Linux 3.2:
>
> http://kernelnewbies.org/Linux_3.2#head-a5e26c6275e85a5c9c41873fbab96bd38d934b72
>
> Cross Memory Support add two syscalls:
> - process_vm_readv() : read from a process memory
>
Hi,
Le mercredi 05 décembre 2012 à 22:47 -0300, Pablo Pessolani a écrit :
> Hi:
> I am working on a project to copy (page aligned) the
> buffer content of one process to the buffer of other process.
>
> Now I resolved this issue using copy_page() but, analizing
> performance with diff
Hi:
I am working on a project to copy (page aligned) the buffer content of one
process to the buffer of other process.
Now I resolved this issue using copy_page() but, analizing performance with
different buffer sizes, the "copy_page" becames the critical time component and
limi