Messages in this thread | | | Date | Wed, 04 Feb 2004 19:33:30 +0900 (JST) | Subject | Re: Active Memory Defragmentation: Our implementation & problems | From | Hirokazu Takahashi <> |
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Hello,
> > Moving file-backed pages is mostly handled already. You can do a > > regular page-cache lookup with find_get_page(), make your copy, > > invalidate the old one, then readd the new one. The invalidation can be > > done in the same style as shrink_list(). > > Actually, it is a bit more complicated. > I have implemented similar functionality for memory hotremoval. > > See my post about memory hotremoval > http://marc.theaimsgroup.com/?l=linux-kernel&m=107354781130941&w=2 > for details. > remap_onepage() and remapd() in the patch are the main functions.
My patch may be one of the samples. To allocate continuous pages on demand, I used remap_onepage() to defragment pages.
http://www.ussg.iu.edu/hypermail/linux/kernel/0401.1/0045.html
Thank you, Hirokazu Takahashi. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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