The patch titled Subject: mm: memory: remove ->vm_file check on shared writable vmas has been added to the -mm tree. Its filename is mm-memory-remove-vm_file-check-on-shared-writable-vmas.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/mm-memory-remove-vm_file-check-on-shared-writable-vmas.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/mm-memory-remove-vm_file-check-on-shared-writable-vmas.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Johannes Weiner <hannes@xxxxxxxxxxx> Subject: mm: memory: remove ->vm_file check on shared writable vmas Shared anonymous mmaps are implemented with shmem files, so all VMAs with shared writable semantics also have an underlying backing file. Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx> Reviewed-by: Jan Kara <jack@xxxxxxx> Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/memory.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff -puN mm/memory.c~mm-memory-remove-vm_file-check-on-shared-writable-vmas mm/memory.c --- a/mm/memory.c~mm-memory-remove-vm_file-check-on-shared-writable-vmas +++ a/mm/memory.c @@ -2155,9 +2155,7 @@ reuse: balance_dirty_pages_ratelimited(mapping); } - /* file_update_time outside page_lock */ - if (vma->vm_file) - file_update_time(vma->vm_file); + file_update_time(vma->vm_file); } put_page(dirty_page); if (page_mkwrite) { @@ -3019,8 +3017,7 @@ static int do_shared_fault(struct mm_str balance_dirty_pages_ratelimited(mapping); } - /* file_update_time outside page_lock */ - if (vma->vm_file && !vma->vm_ops->page_mkwrite) + if (!vma->vm_ops->page_mkwrite) file_update_time(vma->vm_file); return ret; _ Patches currently in -mm which might be from hannes@xxxxxxxxxxx are origin.patch mm-page_alloc-embed-oom-killing-naturally-into-allocation-slowpath.patch mm-page_alloc-embed-oom-killing-naturally-into-allocation-slowpath-update.patch mm-page_alloc-embed-oom-killing-naturally-into-allocation-slowpath-fix.patch mm-page_allocc-__alloc_pages_nodemask-dont-alter-arg-gfp_mask.patch mm-page_allocc-__alloc_pages_nodemask-dont-alter-arg-gfp_mask-fix.patch mm-protect-set_page_dirty-from-ongoing-truncation.patch mm-memory-remove-vm_file-check-on-shared-writable-vmas.patch mm-memory-merge-shared-writable-dirtying-branches-in-do_wp_page.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html