diff options
author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-08-27 13:12:40 +1000 |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-08-27 13:12:40 +1000 |
commit | f480fe3916de2e2cbb6e384cb685f0f1d8272188 (patch) | |
tree | 141c60a2a263f1c01907e692d4aef1e6b699d8c7 /ipc | |
parent | 4f0dbc2781b9dc457159b676289f874ab2dc3560 (diff) | |
parent | f415c413f458837bd0c27086b79aca889f9435e4 (diff) |
Merge commit 'origin/master' into next
Diffstat (limited to 'ipc')
-rw-r--r-- | ipc/shm.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/ipc/shm.c b/ipc/shm.c index 15dd238e533..1bc4701ef4f 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -174,7 +174,7 @@ static void shm_destroy(struct ipc_namespace *ns, struct shmid_kernel *shp) shm_unlock(shp); if (!is_file_hugepages(shp->shm_file)) shmem_lock(shp->shm_file, 0, shp->mlock_user); - else + else if (shp->mlock_user) user_shm_unlock(shp->shm_file->f_path.dentry->d_inode->i_size, shp->mlock_user); fput (shp->shm_file); @@ -369,8 +369,8 @@ static int newseg(struct ipc_namespace *ns, struct ipc_params *params) /* 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(); + file = hugetlb_file_setup(name, size, acctflag, + &shp->mlock_user); } else { /* * Do not allow no accounting for OVERCOMMIT_NEVER, even @@ -410,6 +410,8 @@ static int newseg(struct ipc_namespace *ns, struct ipc_params *params) return error; no_id: + if (shp->mlock_user) /* shmflg & SHM_HUGETLB case */ + user_shm_unlock(size, shp->mlock_user); fput(file); no_file: security_shm_free(shp); |