On Thu, 2011-02-17 at 18:05 +0100, Peter Zijlstra wrote: > This series depends on the previous two series: > - mm: Simplify anon_vma lifetime rules > - mm: mmu_gather rework > > These patches make part of the mm a lot more preemptible. It converts > i_mmap_lock and anon_vma->lock to mutexes which together with the mmu_gather > rework makes mmu_gather preemptible as well. > > Making i_mmap_lock a mutex also enables a clean-up of the truncate code. > > This also allows for preemptible mmu_notifiers, something that XPMEM I think > wants. --- Documentation/lockstat.txt | 2 Documentation/vm/locking | 2 arch/x86/mm/hugetlbpage.c | 4 fs/gfs2/main.c | 2 fs/hugetlbfs/inode.c | 4 fs/inode.c | 2 fs/nilfs2/page.c | 2 include/linux/fs.h | 3 include/linux/huge_mm.h | 8 - include/linux/lockdep.h | 3 include/linux/mm.h | 2 include/linux/mm_types.h | 1 include/linux/mmu_notifier.h | 2 include/linux/mutex.h | 9 + include/linux/rmap.h | 29 +----- kernel/fork.c | 5 - kernel/mutex.c | 25 +++-- mm/filemap.c | 10 +- mm/filemap_xip.c | 4 mm/fremap.c | 4 mm/huge_memory.c | 4 mm/hugetlb.c | 14 +-- mm/memory-failure.c | 4 mm/memory.c | 197 ++++++------------------------------------- mm/migrate.c | 17 --- mm/mmap.c | 43 +++------ mm/mremap.c | 7 - mm/rmap.c | 171 +++++++++++++++++++++++++++++-------- 28 files changed, 258 insertions(+), 322 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
