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authorLen Brown <len.brown@intel.com>2005-12-06 17:31:30 -0500
committerLen Brown <len.brown@intel.com>2005-12-06 17:31:30 -0500
commit3d5271f9883cba7b54762bc4fe027d4172f06db7 (patch)
treeab8a881a14478598a0c8bda0d26c62cdccfffd6d /ipc
parent378b2556f4e09fa6f87ff0cb5c4395ff28257d02 (diff)
parent9115a6c787596e687df03010d97fccc5e0762506 (diff)
Pull release into acpica branch
Diffstat (limited to 'ipc')
-rw-r--r--ipc/mqueue.c3
-rw-r--r--ipc/shm.c17
-rw-r--r--ipc/util.c9
3 files changed, 20 insertions, 9 deletions
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 3a926011507..c8943b53d8e 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -2,7 +2,7 @@
* POSIX message queues filesystem for Linux.
*
* Copyright (C) 2003,2004 Krzysztof Benedyczak (golbi@mat.uni.torun.pl)
- * Michal Wronski (wrona@mat.uni.torun.pl)
+ * Michal Wronski (Michal.Wronski@motorola.com)
*
* Spinlocks: Mohamed Abbas (abbas.mohamed@intel.com)
* Lockless receive & send, fd based notify:
@@ -611,6 +611,7 @@ static struct file *do_create(struct dentry *dir, struct dentry *dentry,
dentry->d_fsdata = &attr;
}
+ mode &= ~current->fs->umask;
ret = vfs_create(dir->d_inode, dentry, mode, NULL);
dentry->d_fsdata = NULL;
if (ret)
diff --git a/ipc/shm.c b/ipc/shm.c
index dca90489e3b..587d836d80d 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -212,8 +212,16 @@ static int newseg (key_t key, int shmflg, size_t size)
file = hugetlb_zero_setup(size);
shp->mlock_user = current->user;
} else {
+ int acctflag = VM_ACCOUNT;
+ /*
+ * Do not allow no accounting for OVERCOMMIT_NEVER, even
+ * if it's asked for.
+ */
+ if ((shmflg & SHM_NORESERVE) &&
+ sysctl_overcommit_memory != OVERCOMMIT_NEVER)
+ acctflag = 0;
sprintf (name, "SYSV%08x", key);
- file = shmem_file_setup(name, size, VM_ACCOUNT);
+ file = shmem_file_setup(name, size, acctflag);
}
error = PTR_ERR(file);
if (IS_ERR(file))
@@ -233,10 +241,11 @@ static int newseg (key_t key, int shmflg, size_t size)
shp->id = shm_buildid(id,shp->shm_perm.seq);
shp->shm_file = file;
file->f_dentry->d_inode->i_ino = shp->id;
- if (shmflg & SHM_HUGETLB)
- set_file_hugepages(file);
- else
+
+ /* Hugetlb ops would have already been assigned. */
+ if (!(shmflg & SHM_HUGETLB))
file->f_op = &shm_file_operations;
+
shm_tot += numpages;
shm_unlock(shp);
return shp->id;
diff --git a/ipc/util.c b/ipc/util.c
index 10e836d0d89..23f1cec150c 100644
--- a/ipc/util.c
+++ b/ipc/util.c
@@ -410,7 +410,8 @@ void ipc_rcu_getref(void *ptr)
}
/**
- * ipc_schedule_free - free ipc + rcu space
+ * ipc_schedule_free - free ipc + rcu space
+ * @head: RCU callback structure for queued work
*
* Since RCU callback function is called in bh,
* we need to defer the vfree to schedule_work
@@ -427,10 +428,10 @@ static void ipc_schedule_free(struct rcu_head *head)
}
/**
- * ipc_immediate_free - free ipc + rcu space
- *
- * Free from the RCU callback context
+ * ipc_immediate_free - free ipc + rcu space
+ * @head: RCU callback structure that contains pointer to be freed
*
+ * Free from the RCU callback context
*/
static void ipc_immediate_free(struct rcu_head *head)
{