On 21/04/09 12:18PM, Jan Kara wrote:
> On Fri 09-04-21 11:17:33, riteshh wrote:
> > On 21/04/09 02:50AM, Wen Yang wrote:
> > > > On Apr 7, 2021, at 5:16 AM, riteshh wrote:
> > > >>
> > > >> On 21/04/07 03:01PM, Wen Yang wrote:
> > > >
On 21/04/09 02:50AM, Wen Yang wrote:
> > On Apr 7, 2021, at 5:16 AM, riteshh wrote:
> >>
> >> On 21/04/07 03:01PM, Wen Yang wrote:
> >>> From: Wen Yang
> >>>
> >>> The kworker has occupied 100% of the CPU for several days:
>
On 21/04/08 09:08AM, Miaohe Lin wrote:
> Hi all,
> When I was investigating the swap code, I found some possible race
> windows. This series aims to fix all these races. But using current
> get/put_swap_device() to guard against concurrent swapoff for
> swap_readpage() looks terrible because
On 21/04/07 03:01PM, Wen Yang wrote:
> From: Wen Yang
>
> The kworker has occupied 100% of the CPU for several days:
> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
> 68086 root 20 0 00 0 R 100.0 0.0 9718:18 kworker/u64:11
>
> And the stack obtained through sysrq is as
On 21/04/07 02:32PM, Shiyang Ruan wrote:
> The core logic in the two dax page fault functions is similar. So, move
> the logic into a common helper function. Also, to facilitate the
> addition of new features, such as CoW, switch-case is no longer used to
> handle different iomap types.
>
>
On 21/04/07 02:32PM, Shiyang Ruan wrote:
> Add address output in dax_iomap_pfn() in order to perform a memcpy() in
> CoW case. Since this function both output address and pfn, rename it to
> dax_iomap_direct_access().
>
> Signed-off-by: Shiyang Ruan
> Reviewed-by: Christoph Hellwig
>
On 21/04/07 02:32PM, Shiyang Ruan wrote:
> The dax page fault code is too long and a bit difficult to read. And it
> is hard to understand when we trying to add new features. Some of the
> PTE/PMD codes have similar logic. So, factor them as helper functions to
> simplify the code.
>
>
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