* Lorenzo Stoakes <lstoakes@xxxxxxxxx> [240628 10:35]: > This patch introduces vma.c and moves internal core VMA manipulation > functions to this file from mmap.c. > > This allows us to isolate VMA functionality in a single place such that we > can create userspace testing code that invokes this functionality in an > environment where we can implement simple unit tests of core functionality. > > This patch ensures that core VMA functionality is explicitly marked as such > by its presence in mm/vma.h. > > It also places the header includes required by vma.c in vma_internal.h, > which is simply imported by vma.c. This makes the VMA functionality > testable, as userland testing code can simply stub out functionality > as required. > > Signed-off-by: Lorenzo Stoakes <lstoakes@xxxxxxxxx> > --- > include/linux/mm.h | 35 - > mm/Makefile | 2 +- > mm/internal.h | 236 +----- > mm/mmap.c | 1981 +++----------------------------------------- > mm/mmu_notifier.c | 2 + > mm/vma.c | 1766 +++++++++++++++++++++++++++++++++++++++ > mm/vma.h | 362 ++++++++ > mm/vma_internal.h | 52 ++ > 8 files changed, 2293 insertions(+), 2143 deletions(-) > create mode 100644 mm/vma.c > create mode 100644 mm/vma.h > create mode 100644 mm/vma_internal.h > ... > diff --git a/mm/mmap.c b/mm/mmap.c > index d2eebbed87b9..721870f380bf 100644 > --- a/mm/mmap.c > +++ b/mm/mmap.c > @@ -57,6 +57,7 @@ > #include <trace/events/mmap.h> > > #include "internal.h" > +#include "vma.h" This isn't needed as internal.h includes vma.h in this revision. > > #ifndef arch_mmap_check > #define arch_mmap_check(addr, len, flags) (0) ... Thanks, Liam
