On Saturday 2011-03-19 03:10, Lennart Poettering wrote: >On Fri, 18.03.11 03:44, fykc...@gmail.com (fykc...@gmail.com) wrote: > >> Hi all, >> >> Systemd hardcode page size as 4096(in macro.h), this is not always correct: >> """ Some architectures support multiple machine types with diffenent >> page sizes, and some machine types even support multiple page sizes >> themselves. """ >> >> This patch tries to detect page size runtime by sysconf(_SC_PAGESIZE), >> and uses 4096 as a failsafe value. Note we need memset vec to zero >> before call mincore(src/readahead-collect.c, 129) -- if the pagesize >> is not correct, we may randomly record wider range or more ranges to >> readahead. > >Hmm, interesting. Which architecture are you using that has a page size >!= 4K?
sparc64 would, to name one. _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel
