This is a note to let you know that I've just added the patch titled hugetlbfs: stop setting VM_DONTDUMP in initializing vma(VM_HUGETLB) to the 3.8-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: hugetlbfs-stop-setting-vm_dontdump-in-initializing-vma-vm_hugetlb.patch and it can be found in the queue-3.8 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From a2fce9143057f4eb7675a21cca1b6beabe585c8b Mon Sep 17 00:00:00 2001 From: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx> Date: Wed, 17 Apr 2013 15:58:27 -0700 Subject: hugetlbfs: stop setting VM_DONTDUMP in initializing vma(VM_HUGETLB) From: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx> commit a2fce9143057f4eb7675a21cca1b6beabe585c8b upstream. Currently we fail to include any data on hugepages into coredump, because VM_DONTDUMP is set on hugetlbfs's vma. This behavior was recently introduced by commit 314e51b9851b ("mm: kill vma flag VM_RESERVED and mm->reserved_vm counter"). This looks to me a serious regression, so let's fix it. Signed-off-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx> Acked-by: Konstantin Khlebnikov <khlebnikov@xxxxxxxxxx> Acked-by: Michal Hocko <mhocko@xxxxxxx> Reviewed-by: Rik van Riel <riel@xxxxxxxxxx> Acked-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> Acked-by: David Rientjes <rientjes@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/hugetlbfs/inode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -110,7 +110,7 @@ static int hugetlbfs_file_mmap(struct fi * way when do_mmap_pgoff unwinds (may be important on powerpc * and ia64). */ - vma->vm_flags |= VM_HUGETLB | VM_DONTEXPAND | VM_DONTDUMP; + vma->vm_flags |= VM_HUGETLB | VM_DONTEXPAND; vma->vm_ops = &hugetlb_vm_ops; if (vma->vm_pgoff & (~huge_page_mask(h) >> PAGE_SHIFT)) Patches currently in stable-queue which might be from n-horiguchi@xxxxxxxxxxxxx are queue-3.8/fs-binfmt_elf.c-fix-hugetlb-memory-check-in-vma_dump_size.patch queue-3.8/hugetlbfs-add-swap-entry-check-in-follow_hugetlb_page.patch queue-3.8/hugetlbfs-stop-setting-vm_dontdump-in-initializing-vma-vm_hugetlb.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html