Re: [PATCH v2 3/3] vsprintf: dump full information of page flags in pGp

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On Mon, Feb 1, 2021 at 10:15 PM Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote:
>
> On Mon, Feb 01, 2021 at 07:56:10PM +0800, Yafang Shao wrote:
> > - Before the patch,
> > [ 6343.396602] Slab 0x000000004382e02b objects=33 used=3 fp=0x000000009ae06ffc flags=0x17ffffc0010200(slab|head)
> >
> > - After the patch,
> > [ 6871.296131] Slab 0x00000000c0e19a37 objects=33 used=3 fp=0x00000000c4902159 flags=0x17ffffc0010200(Node 0,Zone 2,Lastcpupid 0x1fffff,slab|head)
>
> I would suggest it will be easier to parse as:
>
> flags=0x17ffffc0010200(slab|head|node=0|zone=2|lastcpupid=0x1fffff)
>
> That should alleviate the concerns about debugfs format change -- we've
> never guaranteed that flag names won't change, and they now look enough
> like flags that parsers shouldn't fall over them.

Good suggestion!
I will do it as you suggested in the next version.

-- 
Thanks
Yafang




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