[PATCH 0/3] procfs, vmcore: fix regression of mmap on /proc/vmcore since v3.12-rc1

Michael Holzheu holzheu at linux.vnet.ibm.com
Tue Oct 15 07:30:21 EDT 2013

Hello Hatayama,

We successfully tested your patches on s390, mmap for /proc/vmcore
seems to work again.



On Mon, 14 Oct 2013 18:36:06 +0900
HATAYAMA Daisuke <d.hatayama at jp.fujitsu.com> wrote:

> This patch set fixes regression of mmap on /proc/vmcore since
> v3.12-rc1. The primary one is the 2nd patch. The 1st patch is another
> bug I found during investiation and it affects mmap on /proc/vmcore
> even if only 2nd patch is applied, so fix it together in this patch
> set. The last patch is just for cleaning up of target function in both
> 1st and 2nd patches.
> ---
> HATAYAMA Daisuke (3):
>       procfs: fix unintended truncation of returned mapped address
>       procfs: Call default get_unmapped_area on MMU-present architectures
>       procfs: clean up proc_reg_get_unmapped_area for 80-column limit
>  fs/proc/inode.c |   20 ++++++++++++++------
>  1 file changed, 14 insertions(+), 6 deletions(-)

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