diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2011-05-14 12:06:36 +0200 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2011-05-14 12:06:36 +0200 |
commit | a18f22a968de17b29f2310cdb7ba69163e65ec15 (patch) | |
tree | a7d56d88fad5e444d7661484109758a2f436129e /mm/shmem.c | |
parent | a1c57e0fec53defe745e64417eacdbd3618c3e66 (diff) | |
parent | 798778b8653f64b7b2162ac70eca10367cff6ce8 (diff) |
Merge branch 'consolidate-clksrc-i8253' of master.kernel.org:~rmk/linux-2.6-arm into timers/clocksource
Conflicts:
arch/ia64/kernel/cyclone.c
arch/mips/kernel/i8253.c
arch/x86/kernel/i8253.c
Reason: Resolve conflicts so further cleanups do not conflict further
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'mm/shmem.c')
-rw-r--r-- | mm/shmem.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/mm/shmem.c b/mm/shmem.c index 5ee67c99060..8fa27e4e582 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -224,7 +224,6 @@ static const struct vm_operations_struct shmem_vm_ops; static struct backing_dev_info shmem_backing_dev_info __read_mostly = { .ra_pages = 0, /* No readahead */ .capabilities = BDI_CAP_NO_ACCT_AND_WRITEBACK | BDI_CAP_SWAP_BACKED, - .unplug_io_fn = default_unplug_io_fn, }; static LIST_HEAD(shmem_swaplist); @@ -422,7 +421,8 @@ static swp_entry_t *shmem_swp_alloc(struct shmem_inode_info *info, unsigned long * a waste to allocate index if we cannot allocate data. */ if (sbinfo->max_blocks) { - if (percpu_counter_compare(&sbinfo->used_blocks, (sbinfo->max_blocks - 1)) > 0) + if (percpu_counter_compare(&sbinfo->used_blocks, + sbinfo->max_blocks - 1) >= 0) return ERR_PTR(-ENOSPC); percpu_counter_inc(&sbinfo->used_blocks); spin_lock(&inode->i_lock); @@ -779,7 +779,7 @@ static int shmem_notify_change(struct dentry *dentry, struct iattr *attr) * If truncating down to a partial page, then * if that page is already allocated, hold it * in memory until the truncation is over, so - * truncate_partial_page cannnot miss it were + * truncate_partial_page cannot miss it were * it assigned to swap. */ if (newsize & (PAGE_CACHE_SIZE-1)) { @@ -1081,7 +1081,7 @@ static int shmem_writepage(struct page *page, struct writeback_control *wbc) shmem_recalc_inode(inode); if (swap.val && add_to_swap_cache(page, swap, GFP_ATOMIC) == 0) { - remove_from_page_cache(page); + delete_from_page_cache(page); shmem_swp_set(info, entry, swap.val); shmem_swp_unmap(entry); if (list_empty(&info->swaplist)) @@ -1091,7 +1091,6 @@ static int shmem_writepage(struct page *page, struct writeback_control *wbc) spin_unlock(&info->lock); swap_shmem_alloc(swap); BUG_ON(page_mapped(page)); - page_cache_release(page); /* pagecache ref */ swap_writepage(page, wbc); if (inode) { mutex_lock(&shmem_swaplist_mutex); @@ -1399,7 +1398,8 @@ repeat: shmem_swp_unmap(entry); sbinfo = SHMEM_SB(inode->i_sb); if (sbinfo->max_blocks) { - if ((percpu_counter_compare(&sbinfo->used_blocks, sbinfo->max_blocks) > 0) || + if (percpu_counter_compare(&sbinfo->used_blocks, + sbinfo->max_blocks) >= 0 || shmem_acct_block(info->flags)) { spin_unlock(&info->lock); error = -ENOSPC; @@ -1843,8 +1843,9 @@ shmem_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) inode = shmem_get_inode(dir->i_sb, dir, mode, dev, VM_NORESERVE); if (inode) { - error = security_inode_init_security(inode, dir, NULL, NULL, - NULL); + error = security_inode_init_security(inode, dir, + &dentry->d_name, NULL, + NULL, NULL); if (error) { if (error != -EOPNOTSUPP) { iput(inode); @@ -1983,8 +1984,8 @@ static int shmem_symlink(struct inode *dir, struct dentry *dentry, const char *s if (!inode) return -ENOSPC; - error = security_inode_init_security(inode, dir, NULL, NULL, - NULL); + error = security_inode_init_security(inode, dir, &dentry->d_name, NULL, + NULL, NULL); if (error) { if (error != -EOPNOTSUPP) { iput(inode); @@ -2144,8 +2145,10 @@ static int shmem_encode_fh(struct dentry *dentry, __u32 *fh, int *len, { struct inode *inode = dentry->d_inode; - if (*len < 3) + if (*len < 3) { + *len = 3; return 255; + } if (inode_unhashed(inode)) { /* Unfortunately insert_inode_hash is not idempotent, @@ -2791,5 +2794,6 @@ int shmem_zero_setup(struct vm_area_struct *vma) fput(vma->vm_file); vma->vm_file = file; vma->vm_ops = &shmem_vm_ops; + vma->vm_flags |= VM_CAN_NONLINEAR; return 0; } |