| uipc_shm.c (178181) | uipc_shm.c (180059) |
|---|---|
| 1/*- 2 * Copyright (c) 2006 Robert N. M. Watson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 32 unchanged lines hidden (view full) --- 41 * existing limits in mmap(2) sufficient? 42 * 43 * (5) Partial page truncation. vnode_pager_setsize() will zero any parts 44 * of a partially mapped page as a result of ftruncate(2)/truncate(2). 45 * We can do the same (with the same pmap evil), but do we need to 46 * worry about the bits on disk if the page is swapped out or will the 47 * swapper zero the parts of a page that are invalid if the page is 48 * swapped back in for us? | 1/*- 2 * Copyright (c) 2006 Robert N. M. Watson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 32 unchanged lines hidden (view full) --- 41 * existing limits in mmap(2) sufficient? 42 * 43 * (5) Partial page truncation. vnode_pager_setsize() will zero any parts 44 * of a partially mapped page as a result of ftruncate(2)/truncate(2). 45 * We can do the same (with the same pmap evil), but do we need to 46 * worry about the bits on disk if the page is swapped out or will the 47 * swapper zero the parts of a page that are invalid if the page is 48 * swapped back in for us? |
| 49 * 50 * (6) Add MAC support in mac_biba(4) and mac_mls(4). 51 * 52 * (7) Add a MAC check_create() hook for creating new named objects. |
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| 49 */ 50 51#include <sys/cdefs.h> | 53 */ 54 55#include <sys/cdefs.h> |
| 52__FBSDID("$FreeBSD: head/sys/kern/uipc_shm.c 178181 2008-04-13 21:08:34Z alc $"); | 56__FBSDID("$FreeBSD: head/sys/kern/uipc_shm.c 180059 2008-06-27 05:39:04Z jhb $"); |
| 53 54#include "opt_mac.h" 55 56#include <sys/param.h> 57#include <sys/fcntl.h> 58#include <sys/file.h> 59#include <sys/filedesc.h> 60#include <sys/fnv_hash.h> --- 553 unchanged lines hidden --- | 57 58#include "opt_mac.h" 59 60#include <sys/param.h> 61#include <sys/fcntl.h> 62#include <sys/file.h> 63#include <sys/filedesc.h> 64#include <sys/fnv_hash.h> --- 553 unchanged lines hidden --- |