diff options
Diffstat (limited to 'ipc')
| -rw-r--r-- | ipc/mqueue.c | 10 | ||||
| -rw-r--r-- | ipc/msgutil.c | 6 |
2 files changed, 14 insertions, 2 deletions
diff --git a/ipc/mqueue.c b/ipc/mqueue.c index c0d58f390c3b..bce7af1546d9 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -391,7 +391,8 @@ static void mqueue_evict_inode(struct inode *inode) struct user_struct *user; unsigned long mq_bytes, mq_treesize; struct ipc_namespace *ipc_ns; - struct msg_msg *msg; + struct msg_msg *msg, *nmsg; + LIST_HEAD(tmp_msg); clear_inode(inode); @@ -402,10 +403,15 @@ static void mqueue_evict_inode(struct inode *inode) info = MQUEUE_I(inode); spin_lock(&info->lock); while ((msg = msg_get(info)) != NULL) - free_msg(msg); + list_add_tail(&msg->m_list, &tmp_msg); kfree(info->node_cache); spin_unlock(&info->lock); + list_for_each_entry_safe(msg, nmsg, &tmp_msg, m_list) { + list_del(&msg->m_list); + free_msg(msg); + } + /* Total amount of bytes accounted for the mqueue */ mq_treesize = info->attr.mq_maxmsg * sizeof(struct msg_msg) + min_t(unsigned int, info->attr.mq_maxmsg, MQ_PRIO_MAX) * diff --git a/ipc/msgutil.c b/ipc/msgutil.c index 84598025a6ad..e65593742e2b 100644 --- a/ipc/msgutil.c +++ b/ipc/msgutil.c @@ -18,6 +18,7 @@ #include <linux/utsname.h> #include <linux/proc_ns.h> #include <linux/uaccess.h> +#include <linux/sched.h> #include "util.h" @@ -64,6 +65,9 @@ static struct msg_msg *alloc_msg(size_t len) pseg = &msg->next; while (len > 0) { struct msg_msgseg *seg; + + cond_resched(); + alen = min(len, DATALEN_SEG); seg = kmalloc(sizeof(*seg) + alen, GFP_KERNEL_ACCOUNT); if (seg == NULL) @@ -176,6 +180,8 @@ void free_msg(struct msg_msg *msg) kfree(msg); while (seg != NULL) { struct msg_msgseg *tmp = seg->next; + + cond_resched(); kfree(seg); seg = tmp; } |