Re: [PATCH 02/12] mm, thp, tmpfs: support to add huge page into page cache for tmpfs

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Ning Qu wrote:
> Yes, I can try. The code is pretty much similar with some minor difference.
> 
> One thing I can do is to move the spin lock part (together with the
> corresponding err handling into a common function.
> 
> The only problem I can see right now is we need the following
> additional line for shm:
> 
> __mod_zone_page_state(page_zone(page), NR_SHMEM, nr);
> 
> Which means we need to tell if it's coming from shm or not, is that OK
> to add additional parameter just for that? Or is there any other
> better way we can infer that information? Thanks!

I think you can account NR_SHMEM after common code succeed, don't you?

-- 
 Kirill A. Shutemov

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