On Wed, Mar 20, 2013 at 11:29:05PM -0700, Eric W. Biederman wrote: [..] > Preserving the actual PT_LOAD segments p_paddr and p_memsz values is > important. p_offset we can change as much as we want. Which means there > can be logical holes in the file between PT_LOAD segments, where we put > the extra data needed to keep everything page aligned. Agreed. If one modifies p_paddr then one will have to modify p->vaddr too. And user space tools look at p->vaddr and where is the corresponding physical address. Keeping p_vaddr and p_paddr intact makes sense. Thanks Vivek