On 7/4/24 9:27 PM, Lorenzo Stoakes wrote: > The vma_shrink() and vma_expand() functions are internal VMA manipulation > functions which we ought to abstract for use outside of memory management > code. > > To achieve this, we replace shift_arg_pages() in fs/exec.c with an > invocation of a new relocate_vma_down() function implemented in mm/mmap.c, > which enables us to also move move_page_tables() and vma_iter_prev_range() > to internal.h. > > The purpose of doing this is to isolate key VMA manipulation functions in > order that we can both abstract them and later render them easily testable. > > Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx> Reviewed-by: Vlastimil Babka <vbabka@xxxxxxx> Same nits about some "extern"s that could be removed in the process.
