Hi Andrew and Linus, These two patches demonstrate how we can get rid nonlinear mappings.
The first patch documents remap_file_pages(2) deprecation and add printk into syscall code. The patch could be propagated through stable kernel if the approach with remap_file_pages() emulation is okay. The second patch replaces remap_file_pages(2) with and emulation. I didn't find any real code (apart LTP) to test it on. So I wrote simple test case. See commit message for numbers. I will prepare separate patchset to cleanup all nonlinear mappings leftovers if the approach with emulation is desirable. Comments? Kirill A. Shutemov (2): mm: mark remap_file_pages() syscall as deprecated mm: replace remap_file_pages() syscall with emulation Documentation/vm/remap_file_pages.txt | 27 ++++ include/linux/fs.h | 8 +- mm/Makefile | 2 +- mm/fremap.c | 282 ---------------------------------- mm/mmap.c | 66 ++++++++ mm/nommu.c | 8 - 6 files changed, 100 insertions(+), 293 deletions(-) create mode 100644 Documentation/vm/remap_file_pages.txt delete mode 100644 mm/fremap.c -- 2.0.0.rc2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
