diff options
Diffstat (limited to 'ipc/util.c')
| -rw-r--r-- | ipc/util.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/ipc/util.c b/ipc/util.c index 798cad18dd87..caec7b1bfaa3 100644 --- a/ipc/util.c +++ b/ipc/util.c @@ -403,12 +403,7 @@ void ipc_rmid(struct ipc_ids *ids, struct kern_ipc_perm *ipcp) */ void *ipc_alloc(int size) { - void *out; - if (size > PAGE_SIZE) - out = vmalloc(size); - else - out = kmalloc(size, GFP_KERNEL); - return out; + return kvmalloc(size, GFP_KERNEL); } /** @@ -474,7 +469,7 @@ void ipc_rcu_free(struct rcu_head *head) * Check user, group, other permissions for access * to ipc resources. return 0 if allowed * - * @flag will most probably be 0 or S_...UGO from <linux/stat.h> + * @flag will most probably be 0 or ``S_...UGO`` from <linux/stat.h> */ int ipcperms(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp, short flag) { @@ -672,10 +667,12 @@ int ipc_update_perm(struct ipc64_perm *in, struct kern_ipc_perm *out) * * This function does some common audit and permissions check for some IPC_XXX * cmd and is called from semctl_down, shmctl_down and msgctl_down. - * It must be called without any lock held and - * - retrieves the ipc with the given id in the given table. - * - performs some audit and permission check, depending on the given cmd - * - returns a pointer to the ipc object or otherwise, the corresponding error. + * It must be called without any lock held and: + * + * - retrieves the ipc with the given id in the given table. + * - performs some audit and permission check, depending on the given cmd + * - returns a pointer to the ipc object or otherwise, the corresponding + * error. * * Call holding the both the rwsem and the rcu read lock. */ |