> -----Original Message----- > From: Arjan van de Ven [mailto:arjan@xxxxxxxxxxxxx] > Sent: Wednesday, May 31, 2006 8:09 PM > To: Muneeswaran P - TLS, Chennai > Cc: kernelnewbies@xxxxxxxxxxxx > Subject: Re: scatter/gather or kmalloc for allocating memory of size > 50Kbytes > > > On Wed, 2006-05-31 at 19:19 +0530, Muneeswaran P - TLS, Chennai wrote: > > Hi, > > > > Please let me know which memory allocation method will be > more suitable for > > memory size 50 Kilobytes ? > > > > ( scatter/gather or kmalloc method )? > > that's too much for kmalloc really > > > > > > This memory should be memory mapped to user application and > will be used in > > PCI-Bus master data transfer. > > you can't memory map kmalloc memory to userspace anyway > Can I allocate memory of size of 50 KBytes using scatter/gather list method and then memory map that area to user space ? Please give me the way. DISCLAIMER The contents of this e-mail and any attachment(s) are confidential and intended for the named recipient(s) only. It shall not attach any liability on the originator or HCL or its affiliates. Any views or opinions presented in this email are solely those of the author and may not necessarily reflect the opinions of HCL or its affiliates. Any form of reproduction, dissemination, copying, disclosure, modification, distribution and / or publication of this message without the prior written consent of the author of this e-mail is strictly prohibited. If you have received this email in error please delete it and notify the sender immediately. Before opening any mail and attachments please check them for viruses and defect. -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/