diff options
| author | Takashi Iwai <tiwai@suse.de> | 2009-03-17 09:28:13 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-03-17 09:28:13 +0100 |
| commit | 37ba1b62836d2440980cf553c49556393b05c6cd (patch) | |
| tree | 3bbd9b76117d484d5a624db1b2b9ec0181c7ff55 /ipc/shm.c | |
| parent | 1713c0d508fbbb42aa5f90039195e5ac31a50625 (diff) | |
| parent | dde332b660cf0bc2baaba678b52768a0fb6e6da2 (diff) | |
Merge branch 'fix/opl3sa2-suspend' into topic/isa-misc
Diffstat (limited to 'ipc/shm.c')
| -rw-r--r-- | ipc/shm.c | 14 |
1 files changed, 10 insertions, 4 deletions
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++; |