I m creating a module for using HIGHMEM means memory from 1 GB till 16 GB (hav 16 GB RAM in x86 system). For using memory in my module/driver I hav to steal/reserve that memory from kernel, so that kernel can't interfere with it ......... I m not able to use mem=<max mem to kernel> b/c I got to know that if we reserve memory that way, then kernel won't count that in paging mechanism and we can use till 4 GB through ioremap. but till 64GB paging must be used .......... I did memory reservation by changing in __one_high_page_init function in arch/i386/mm/init.c file, So that memory above 1 GB was set to SetPageReserved . But not able to got desired result, and I think that by reserving memory that way I hav to implement more than kmap or kmap_atomic ........ Is there any other way of reserving memory from HIGHMEM ZONE ??? and what will be the possible solution for that above situation or any other way !!! Thanks and Reagrds, Fawad Lateef __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
