Messages in this thread | | | Date | Tue, 8 Jul 2003 07:49:19 -0700 | From | "Randy.Dunlap" <> | Subject | Re: syscall __NR_mmap2 |
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On Tue, 8 Jul 2003 10:40:15 -0400 (EDT) "Richard B. Johnson" <root@chaos.analogic.com> wrote:
| On Tue, 8 Jul 2003, Jamie Lokier wrote: | | > Richard B. Johnson wrote: | > > > The offset argument to mmap2 is divided by PAGE_SIZE. | > > > That is the whole point of mmap2 :) | > > | > > Okay. Do you know where that's documented? Nothing in linux/Documentation, | > > and nothing in any headers. Do you have to read the code to find out? | > > | > > So, the address is now the offset in PAGES, not bytes. Seems logical, | > > but there is no clue in any documentation. | > | > I found this great command which really helps. Only 1337 kernel | > gnurus know about it, now u can be 1 2 :) | > | > $ man mmap2 | > [...] | > The function mmap2 operates in exactly the same way as mmap(2), except | > that the final argument specifies the offset into the file in units of | > the system page size (instead of bytes). | > | > -- Jamie | > | | Yeah? So the Linux kernel now requires a specific vendor distribution? | Since when? | | So, to get the proper documentation of the Linux Kernel, I now | need to purchase a vendor's distribution??? I think not. I think | the sys-calls need to be documented and I think that I have established | proof of that supposition.
I can read that mmap2 man page by downloading the latest tarball from http://www.kernel.org/pub/linux/docs/manpages/ , regardless of my distro.
And if what you want/need isn't there, aeb accepts contributions to it as well.
-- ~Randy | http://developer.osdl.org/rddunlap/ | http://www.xenotime.net/linux/ | - 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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