The patch titled Subject: mm anon rmap: in mremap, set the new vma's position before anon_vma_clone() has been removed from the -mm tree. Its filename was mm-anon-rmap-in-mremap-set-the-new-vmas-position-before-anon_vma_clone.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ From: Michel Lespinasse <walken@xxxxxxxxxx> Subject: mm anon rmap: in mremap, set the new vma's position before anon_vma_clone() anon_vma_clone() expects new_vma->vm_{start,end,pgoff} to be correctly set so that the new vma can be indexed on the anon interval tree. copy_vma() was failing to do that, which broke mremap(). Signed-off-by: Michel Lespinasse <walken@xxxxxxxxxx> Cc: Jiri Slaby <jslaby@xxxxxxx> Cc: Hugh Dickins <hughd@xxxxxxxxxx> Tested-by: Sasha Levin <levinsasha928@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/mmap.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff -puN mm/mmap.c~mm-anon-rmap-in-mremap-set-the-new-vmas-position-before-anon_vma_clone mm/mmap.c --- a/mm/mmap.c~mm-anon-rmap-in-mremap-set-the-new-vmas-position-before-anon_vma_clone +++ a/mm/mmap.c @@ -2419,16 +2419,16 @@ struct vm_area_struct *copy_vma(struct v new_vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); if (new_vma) { *new_vma = *vma; + new_vma->vm_start = addr; + new_vma->vm_end = addr + len; + new_vma->vm_pgoff = pgoff; pol = mpol_dup(vma_policy(vma)); if (IS_ERR(pol)) goto out_free_vma; + vma_set_policy(new_vma, pol); INIT_LIST_HEAD(&new_vma->anon_vma_chain); if (anon_vma_clone(new_vma, vma)) goto out_free_mempol; - vma_set_policy(new_vma, pol); - new_vma->vm_start = addr; - new_vma->vm_end = addr + len; - new_vma->vm_pgoff = pgoff; if (new_vma->vm_file) get_file(new_vma->vm_file); if (new_vma->vm_ops && new_vma->vm_ops->open) _ Patches currently in -mm which might be from walken@xxxxxxxxxx are origin.patch prio_tree-remove-fix.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