ALSA: hda - Fix mute control with some ALC262 models

[karo-tx-linux.git] / ipc / shm.c

diff --git a/ipc/shm.c b/ipc/shm.c
index 790240cd067f60860957951db601dfb2fc81e373..35a65be6433177e63b6fc0b093b4d0776f40c808 100644 (file)
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -111,24 +111,9 @@ void __init shm_init (void)
                                IPC_SHM_IDS, sysvipc_shm_proc_show);
 }
 
-/*
- * shm_lock_(check_)down routines are called in the paths where the rw_mutex
- * is held to protect access to the idr tree.
- */
-static inline struct shmid_kernel *shm_lock_down(struct ipc_namespace *ns,
-                                               int id)
-{
-       struct kern_ipc_perm *ipcp = ipc_lock_down(&shm_ids(ns), id);
-
-       if (IS_ERR(ipcp))
-               return (struct shmid_kernel *)ipcp;
-
-       return container_of(ipcp, struct shmid_kernel, shm_perm);
-}
-
 /*
  * shm_lock_(check_) routines are called in the paths where the rw_mutex
- * is not held.
+ * is not necessarily held.
  */
 static inline struct shmid_kernel *shm_lock(struct ipc_namespace *ns, int id)
 {
@@ -211,7 +196,7 @@ static void shm_close(struct vm_area_struct *vma)
 
        down_write(&shm_ids(ns).rw_mutex);
        /* remove from the list of attaches of the shm segment */
-       shp = shm_lock_down(ns, sfd->id);
+       shp = shm_lock(ns, sfd->id);
        BUG_ON(IS_ERR(shp));
        shp->shm_lprid = task_tgid_vnr(current);
        shp->shm_dtim = get_seconds();
@@ -455,7 +440,7 @@ static inline int shm_more_checks(struct kern_ipc_perm *ipcp,
        return 0;
 }
 
-asmlinkage long sys_shmget (key_t key, size_t size, int shmflg)
+SYSCALL_DEFINE3(shmget, key_t, key, size_t, size, int, shmflg)
 {
        struct ipc_namespace *ns;
        struct ipc_ops shm_ops;
@@ -577,13 +562,18 @@ static void shm_get_stat(struct ipc_namespace *ns, unsigned long *rss,
 
                if (is_file_hugepages(shp->shm_file)) {
                        struct address_space *mapping = inode->i_mapping;
-                       *rss += (HPAGE_SIZE/PAGE_SIZE)*mapping->nrpages;
+                       struct hstate *h = hstate_file(shp->shm_file);
+                       *rss += pages_per_huge_page(h) * mapping->nrpages;
                } else {
+#ifdef CONFIG_SHMEM
                        struct shmem_inode_info *info = SHMEM_I(inode);
                        spin_lock(&info->lock);
                        *rss += inode->i_mapping->nrpages;
                        *swp += info->swapped;
                        spin_unlock(&info->lock);
+#else
+                       *rss += inode->i_mapping->nrpages;
+#endif
                }
 
                total++;
@@ -635,7 +625,7 @@ out_up:
        return err;
 }
 
-asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf)
+SYSCALL_DEFINE3(shmctl, int, shmid, int, cmd, struct shmid_ds __user *, buf)
 {
        struct shmid_kernel *shp;
        int err, version;
@@ -931,7 +921,7 @@ invalid:
 
 out_nattch:
        down_write(&shm_ids(ns).rw_mutex);
-       shp = shm_lock_down(ns, shmid);
+       shp = shm_lock(ns, shmid);
        BUG_ON(IS_ERR(shp));
        shp->shm_nattch--;
        if(shp->shm_nattch == 0 &&
@@ -955,7 +945,7 @@ out_put_dentry:
        goto out_nattch;
 }
 
-asmlinkage long sys_shmat(int shmid, char __user *shmaddr, int shmflg)
+SYSCALL_DEFINE3(shmat, int, shmid, char __user *, shmaddr, int, shmflg)
 {
        unsigned long ret;
        long err;
@@ -971,7 +961,7 @@ asmlinkage long sys_shmat(int shmid, char __user *shmaddr, int shmflg)
  * detach and kill segment if marked destroyed.
  * The work is done in shm_close.
  */
-asmlinkage long sys_shmdt(char __user *shmaddr)
+SYSCALL_DEFINE1(shmdt, char __user *, shmaddr)
 {
        struct mm_struct *mm = current->mm;
        struct vm_area_struct *vma, *next;