Messages in this thread | | | Date | Tue, 7 Jun 2022 11:24:17 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH RESEND V5,2/2] mm: shmem: implement POSIX_FADV_[WILL|DONT]NEED for shmem |
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On Tue, 7 Jun 2022 20:22:34 +0530 Charan Teja Kalla <quic_charante@quicinc.com> wrote:
> > Is there an actual userspace/driver combination which will use this? > > Has the new feature been tested in such an arrangement? And if so, > > which driver(s)? > > > > Currently my organization is using this setup where it does makes use of > the shmem infrastructure to allocate the pages and its fd is passed to > the user. The user is now deciding on when to reclaim these pages to > free up the memory through already presented vfs_fadvise(DONTNEED) > system call and bringing back them through vfs_fadvise(WILLNEED), when
OK, thanks. Please capture all these thoughts in the [0/n] changelog, leave it a few days for reviewer input then resend and I'll take a closer look.
The patches don't seem to be getting a lot of traction.
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