Messages in this thread | | | From | "Joseph Malicki" <> | Subject | Re: [RFC] Arch option to touch newly allocated pages | Date | Wed, 6 Mar 2002 17:25:37 -0500 |
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> > jdike@karaya.com said: > > Yeah, MADV_DONTNEED looks right. UML and Linux/s390 (assuming VM has > > the equivalent of MADV_DONTNEED) would need a hook in free_pages to > > make that happen. > > MADV_DONTNEED > Do not expect access in the near future. (For the > time being, the application is finished with the > given range, so the kernel can free resources asso > ciated with it.) > > It's not clear from that that the host kernel is actually permitted to > discard the data.
Solaris has MADV_FREE to say that the data can be discarded...
-joe
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