On 18 April 2011 16:34, Peter Maydell wrote:
> Since mmap() with MAP_FIXED will map over the top of existing mappings,
> it's a bad idea to use it to implement brk(), because brk() with a
> large size is likely to overwrite important things like qemu itself
> or the host libc. So we drop MAP_FIXED
Since mmap() with MAP_FIXED will map over the top of existing mappings,
it's a bad idea to use it to implement brk(), because brk() with a
large size is likely to overwrite important things like qemu itself
or the host libc. So we drop MAP_FIXED and handle "mapped but at
different address" as an er