Re: USB Doubt

2009-09-06 Thread Niamathullah sharief
yes thank yu greg. if i have any doubt i will send you... On Sun, Sep 6, 2009 at 10:52 AM, Greg KH wrote: > On Sat, Sep 05, 2009 at 11:54:45PM +0530, Niamathullah sharief wrote: > > Hi friends, > > I want to know about USB devices. I mean,From where the device is > searching > > for driver when

any value in documenting deprecated _syscallN() calls?

2009-09-06 Thread Robert P. J. Day
in any current discussion of linux system calls, is there any real value in documenting the deprecated _syscallN() invocations? http://www.google.ca/#hl=en&source=hp&q=deprecated+_syscall0&btnG=Google+Search&meta=&aq=f&oq=deprecated+_syscall0&fp=534f85b8644f63ce other than for historical refer

Re: trim in SSD's

2009-09-06 Thread vinit dhatrak
The purpose of TRIM command is to instruct block device about which data blocks are now actually free e.g. in case of file delete operation, so that SSD write operation does not degrade over time. But it requires extra erase operation every-time such event happens at file system level. Flash memory

trim in SSD's

2009-09-06 Thread SandeepKsinha
Hi All, Some of the SSD's implement trim as a "no-op"? I also heard that they have better wear life? Quoting from some expert's comment: They purposely allocate every logical block at initialization time so the drive is effectively "aged" from the outset. This way the performance doesn't change

Re: How morecore() works

2009-09-06 Thread Bryan Donlan
On Sun, Sep 6, 2009 at 1:55 AM, Nitin Saxena wrote: > Hi Friends, > > Can anybody please tell me how does __morecore() functions works in malloc() > implementation of glibc ? This isn't really kernel related - but as you can see[1], it just calls sbrk to adjust the size of the heap, and returns th