X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=ipc%2Fshm.c;h=05d51d2a792c116630f8d4d1cd28bbdcf754c81f;hb=e098360f159b3358f085543eb6dc2eb500d6667c;hp=a9e09ad2263e36e611c8e7599e34115cfb467b92;hpb=af7af690397296b663c8bc152a5f79f32abcef24;p=linux-2.6-omap-h63xx.git

diff --git a/ipc/shm.c b/ipc/shm.c
index a9e09ad2263..05d51d2a792 100644
--- 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);
@@ -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++;