diff options
Diffstat (limited to 'fs/inode.c')
| -rw-r--r-- | fs/inode.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/fs/inode.c b/fs/inode.c index 9a012cc5b6c..29f5068f819 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -145,7 +145,7 @@ static struct inode *alloc_inode(struct super_block *sb) mapping->a_ops = &empty_aops; mapping->host = inode; mapping->flags = 0; - mapping_set_gfp_mask(mapping, GFP_HIGHUSER); + mapping_set_gfp_mask(mapping, GFP_HIGHUSER_PAGECACHE); mapping->assoc_mapping = NULL; mapping->backing_dev_info = &default_backing_dev_info; @@ -462,6 +462,11 @@ static int shrink_icache_memory(int nr, gfp_t gfp_mask) return (inodes_stat.nr_unused / 100) * sysctl_vfs_cache_pressure; } +static struct shrinker icache_shrinker = { + .shrink = shrink_icache_memory, + .seeks = DEFAULT_SEEKS, +}; + static void __wait_on_freeing_inode(struct inode *inode); /* * Called with the inode lock held. @@ -519,7 +524,13 @@ repeat: * new_inode - obtain an inode * @sb: superblock * - * Allocates a new inode for given superblock. + * Allocates a new inode for given superblock. The default gfp_mask + * for allocations related to inode->i_mapping is GFP_HIGHUSER_PAGECACHE. + * If HIGHMEM pages are unsuitable or it is known that pages allocated + * for the page cache are not reclaimable or migratable, + * mapping_set_gfp_mask() must be called with suitable flags on the + * newly created inode's mapping + * */ struct inode *new_inode(struct super_block *sb) { @@ -1377,9 +1388,8 @@ void __init inode_init(unsigned long mempages) 0, (SLAB_RECLAIM_ACCOUNT|SLAB_PANIC| SLAB_MEM_SPREAD), - init_once, - NULL); - set_shrinker(DEFAULT_SEEKS, shrink_icache_memory); + init_once); + register_shrinker(&icache_shrinker); /* Hash may have been set up in inode_init_early */ if (!hashdist) |