USB: serial: ftdi: enable UART detection on gnICE JTAG adaptors blacklist interface0
[safe/jmp/linux-2.6] / ipc / shm.c
index d0ab552..05d51d2 100644 (file)
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -340,6 +340,7 @@ static int newseg(struct ipc_namespace *ns, struct ipc_params *params)
        struct file * file;
        char name[13];
        int id;
+       int acctflag = 0;
 
        if (size < SHMMIN || size > ns->shm_ctlmax)
                return -EINVAL;
@@ -364,18 +365,19 @@ static int newseg(struct ipc_namespace *ns, struct ipc_params *params)
 
        sprintf (name, "SYSV%08x", key);
        if (shmflg & SHM_HUGETLB) {
-               /* hugetlb_file_setup takes care of mlock user accounting */
-               file = hugetlb_file_setup(name, size);
+               /* hugetlb_file_setup applies strict accounting */
+               if (shmflg & SHM_NORESERVE)
+                       acctflag = VM_NORESERVE;
+               file = hugetlb_file_setup(name, size, acctflag);
                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;
+                       acctflag = VM_NORESERVE;
                file = shmem_file_setup(name, size, acctflag);
        }
        error = PTR_ERR(file);
@@ -440,7 +442,7 @@ 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;
@@ -565,11 +567,15 @@ static void shm_get_stat(struct ipc_namespace *ns, unsigned long *rss,
                        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++;
@@ -621,7 +627,7 @@ 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;
@@ -939,7 +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;
@@ -955,7 +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;