Hi Hugh, rvmallaoc is working. Very Very Thanks.
Regards, Prakash --- Hugh Dickins <[EMAIL PROTECTED]> wrote: > On Tue, 1 Mar 2005, Prakash Bhurke wrote: > > I am trying to map a vmalloc kernel buffer to > user > > space using remap_page_range(). In my module, this > > function returns success if we call mmap() from > user > > space, but i can not access content of vmalloc > buffer > > from user space. Pointer returned by mmap() > syscall > > seems pointing to other memory page which contains > > zeros. I am using linux 2.6.10 kernel on Pentium 4 > > system. > > Look for "rvmalloc" in various drivers in the kernel > source tree: > you must SetPageReserved before remap_pfn_range (or > remap_page_range) > agrees to map the page, and ClearPageReserved before > freeing after. > > Hugh > - > To unsubscribe from this list: send the line > "unsubscribe linux-kernel" in > the body of a message to [EMAIL PROTECTED] > More majordomo info at > http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > __________________________________ Celebrate Yahoo!'s 10th Birthday! Yahoo! Netrospective: 100 Moments of the Web http://birthday.yahoo.com/netrospective/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
