Re: [RFC] memory defragmentation to satisfy high order allocations

[Trond Myklebust]

På su , 03/10/2004 klokka 20:35, skreiv Hirokazu Takahashi:

> Pages for NFS also might be pinned with network problems.
> One of the ideas is to restrict NFS to allocate pages from
> specific memory region, sot that all memory except the region
> can be hot-removed. And it's possible to implementing whole
> migrate_page method, which may handled stuck pages.

Why do you want to special-case this?

The above is a generic condition: any filesystem can suffer from the
equivalent problem of a failure or slow response in the underlying
device. Making an NFS-specific hack is just counter-productive to
solving the generic problem.

Cheers,
  Trond

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