diff options
| -rw-r--r-- | drivers/gpu/drm/drm_gem.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 3 | ||||
| -rw-r--r-- | fs/btrfs/compression.c | 7 | ||||
| -rw-r--r-- | fs/btrfs/ctree.h | 2 | ||||
| -rw-r--r-- | fs/btrfs/free-space-cache.c | 4 | ||||
| -rw-r--r-- | fs/buffer.c | 2 | ||||
| -rw-r--r-- | fs/ceph/addr.c | 7 | ||||
| -rw-r--r-- | fs/cifs/file.c | 2 | ||||
| -rw-r--r-- | fs/ext4/inode.c | 2 | ||||
| -rw-r--r-- | fs/ext4/readpage.c | 2 | ||||
| -rw-r--r-- | fs/logfs/segment.c | 2 | ||||
| -rw-r--r-- | fs/mpage.c | 4 | ||||
| -rw-r--r-- | fs/namei.c | 2 | ||||
| -rw-r--r-- | fs/nilfs2/inode.c | 4 | ||||
| -rw-r--r-- | fs/ntfs/file.c | 4 | ||||
| -rw-r--r-- | fs/splice.c | 2 | ||||
| -rw-r--r-- | include/linux/pagemap.h | 7 | ||||
| -rw-r--r-- | mm/filemap.c | 4 | ||||
| -rw-r--r-- | mm/readahead.c | 4 |
19 files changed, 36 insertions, 30 deletions
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index 3c2d4ab..1d47d2e 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -491,7 +491,7 @@ struct page **drm_gem_get_pages(struct drm_gem_object *obj) * __GFP_DMA32 to be set in mapping_gfp_mask(inode->i_mapping) * so shmem can relocate pages during swapin if required. */ - BUG_ON((mapping_gfp_mask(mapping) & __GFP_DMA32) && + BUG_ON(mapping_gfp_constraint(mapping, __GFP_DMA32) && (page_to_pfn(p) >= 0x00100000UL)); } diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 7e505d4..399aab2 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2214,9 +2214,8 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj) * Fail silently without starting the shrinker */ mapping = file_inode(obj->base.filp)->i_mapping; - gfp = mapping_gfp_mask(mapping); + gfp = mapping_gfp_constraint(mapping, ~(__GFP_IO | __GFP_RECLAIM)); gfp |= __GFP_NORETRY | __GFP_NOWARN; - gfp &= ~(__GFP_IO | __GFP_RECLAIM); sg = st->sgl; st->nents = 0; for (i = 0; i < page_count; i++) { diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index 57ee8ca..36dfeff 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -482,13 +482,12 @@ static noinline int add_ra_bio_pages(struct inode *inode, goto next; } - page = __page_cache_alloc(mapping_gfp_mask(mapping) & - ~__GFP_FS); + page = __page_cache_alloc(mapping_gfp_constraint(mapping, + ~__GFP_FS)); if (!page) break; - if (add_to_page_cache_lru(page, mapping, pg_index, - GFP_NOFS)) { + if (add_to_page_cache_lru(page, mapping, pg_index, GFP_NOFS)) { page_cache_release(page); goto next; } diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 938efe3..eb90f0f 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -3316,7 +3316,7 @@ static inline bool btrfs_mixed_space_info(struct btrfs_space_info *space_info) static inline gfp_t btrfs_alloc_write_mask(struct address_space *mapping) { - return mapping_gfp_mask(mapping) & ~__GFP_FS; + return mapping_gfp_constraint(mapping, ~__GFP_FS); } /* extent-tree.c */ diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index abe3a66..ed05da1 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -85,8 +85,8 @@ static struct inode *__lookup_free_space_inode(struct btrfs_root *root, } mapping_set_gfp_mask(inode->i_mapping, - mapping_gfp_mask(inode->i_mapping) & - ~(__GFP_FS | __GFP_HIGHMEM)); + mapping_gfp_constraint(inode->i_mapping, + ~(__GFP_FS | __GFP_HIGHMEM))); return inode; } diff --git a/fs/buffer.c b/fs/buffer.c index 82283ab..51aff02 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -999,7 +999,7 @@ grow_dev_page(struct block_device *bdev, sector_t block, int ret = 0; /* Will call free_more_memory() */ gfp_t gfp_mask; - gfp_mask = (mapping_gfp_mask(inode->i_mapping) & ~__GFP_FS) | gfp; + gfp_mask = mapping_gfp_constraint(inode->i_mapping, ~__GFP_FS) | gfp; /* * XXX: __getblk_slow() can not really deal with failure and diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index 9d23e78..b7d218a 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -1283,8 +1283,8 @@ static int ceph_filemap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) int ret1; struct address_space *mapping = inode->i_mapping; struct page *page = find_or_create_page(mapping, 0, - mapping_gfp_mask(mapping) & - ~__GFP_FS); + mapping_gfp_constraint(mapping, + ~__GFP_FS)); if (!page) { ret = VM_FAULT_OOM; goto out; @@ -1428,7 +1428,8 @@ void ceph_fill_inline_data(struct inode *inode, struct page *locked_page, if (i_size_read(inode) == 0) return; page = find_or_create_page(mapping, 0, - mapping_gfp_mask(mapping) & ~__GFP_FS); + mapping_gfp_constraint(mapping, + ~__GFP_FS)); if (!page) return; if (PageUptodate(page)) { diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 47c5c97..0068e82 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -3380,7 +3380,7 @@ readpages_get_pages(struct address_space *mapping, struct list_head *page_list, struct page *page, *tpage; unsigned int expected_index; int rc; - gfp_t gfp = GFP_KERNEL & mapping_gfp_mask(mapping); + gfp_t gfp = mapping_gfp_constraint(mapping, GFP_KERNEL); INIT_LIST_HEAD(tmplist); diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 612fbcf..60aaecd 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -3344,7 +3344,7 @@ static int __ext4_block_zero_page_range(handle_t *handle, int err = 0; page = find_or_create_page(mapping, from >> PAGE_CACHE_SHIFT, - mapping_gfp_mask(mapping) & ~__GFP_FS); + mapping_gfp_constraint(mapping, ~__GFP_FS)); if (!page) return -ENOMEM; diff --git a/fs/ext4/readpage.c b/fs/ext4/readpage.c index 560af04..1061611 100644 --- a/fs/ext4/readpage.c +++ b/fs/ext4/readpage.c @@ -166,7 +166,7 @@ int ext4_mpage_readpages(struct address_space *mapping, page = list_entry(pages->prev, struct page, lru); list_del(&page->lru); if (add_to_page_cache_lru(page, mapping, page->index, - GFP_KERNEL & mapping_gfp_mask(mapping))) + mapping_gfp_constraint(mapping, GFP_KERNEL))) goto next_page; } diff --git a/fs/logfs/segment.c b/fs/logfs/segment.c index 7f9b096..6de0fbf 100644 --- a/fs/logfs/segment.c +++ b/fs/logfs/segment.c @@ -57,7 +57,7 @@ static struct page *get_mapping_page(struct super_block *sb, pgoff_t index, filler_t *filler = super->s_devops->readpage; struct page *page; - BUG_ON(mapping_gfp_mask(mapping) & __GFP_FS); + BUG_ON(mapping_gfp_constraint(mapping, __GFP_FS)); if (use_filler) page = read_cache_page(mapping, index, filler, sb); else { @@ -361,7 +361,7 @@ mpage_readpages(struct address_space *mapping, struct list_head *pages, sector_t last_block_in_bio = 0; struct buffer_head map_bh; unsigned long first_logical_block = 0; - gfp_t gfp = GFP_KERNEL & mapping_gfp_mask(mapping); + gfp_t gfp = mapping_gfp_constraint(mapping, GFP_KERNEL); map_bh.b_state = 0; map_bh.b_size = 0; @@ -397,7 +397,7 @@ int mpage_readpage(struct page *page, get_block_t get_block) sector_t last_block_in_bio = 0; struct buffer_head map_bh; unsigned long first_logical_block = 0; - gfp_t gfp = GFP_KERNEL & mapping_gfp_mask(page->mapping); + gfp_t gfp = mapping_gfp_constraint(page->mapping, GFP_KERNEL); map_bh.b_state = 0; map_bh.b_size = 0; @@ -4604,7 +4604,7 @@ EXPORT_SYMBOL(__page_symlink); int page_symlink(struct inode *inode, const char *symname, int len) { return __page_symlink(inode, symname, len, - !(mapping_gfp_mask(inode->i_mapping) & __GFP_FS)); + !mapping_gfp_constraint(inode->i_mapping, __GFP_FS)); } EXPORT_SYMBOL(page_symlink); diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c index 4a73d6d..ac2f649 100644 --- a/fs/nilfs2/inode.c +++ b/fs/nilfs2/inode.c @@ -356,7 +356,7 @@ struct inode *nilfs_new_inode(struct inode *dir, umode_t mode) goto failed; mapping_set_gfp_mask(inode->i_mapping, - mapping_gfp_mask(inode->i_mapping) & ~__GFP_FS); + mapping_gfp_constraint(inode->i_mapping, ~__GFP_FS)); root = NILFS_I(dir)->i_root; ii = NILFS_I(inode); @@ -522,7 +522,7 @@ static int __nilfs_read_inode(struct super_block *sb, up_read(&NILFS_MDT(nilfs->ns_dat)->mi_sem); nilfs_set_inode_flags(inode); mapping_set_gfp_mask(inode->i_mapping, - mapping_gfp_mask(inode->i_mapping) & ~__GFP_FS); + mapping_gfp_constraint(inode->i_mapping, ~__GFP_FS)); return 0; failed_unmap: diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c index 262561f..9d383e5 100644 --- a/fs/ntfs/file.c +++ b/fs/ntfs/file.c @@ -525,8 +525,8 @@ static inline int __ntfs_grab_cache_pages(struct address_space *mapping, } } err = add_to_page_cache_lru(*cached_page, mapping, - index, - GFP_KERNEL & mapping_gfp_mask(mapping)); + index, + mapping_gfp_constraint(mapping, GFP_KERNEL)); if (unlikely(err)) { if (err == -EEXIST) continue; diff --git a/fs/splice.c b/fs/splice.c index 5fc1e50..801c21c 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -360,7 +360,7 @@ __generic_file_splice_read(struct file *in, loff_t *ppos, break; error = add_to_page_cache_lru(page, mapping, index, - GFP_KERNEL & mapping_gfp_mask(mapping)); + mapping_gfp_constraint(mapping, GFP_KERNEL)); if (unlikely(error)) { page_cache_release(page); if (error == -EEXIST) diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index a6c78e0..26eabf5 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -69,6 +69,13 @@ static inline gfp_t mapping_gfp_mask(struct address_space * mapping) return (__force gfp_t)mapping->flags & __GFP_BITS_MASK; } +/* Restricts the given gfp_mask to what the mapping allows. */ +static inline gfp_t mapping_gfp_constraint(struct address_space *mapping, + gfp_t gfp_mask) +{ + return mapping_gfp_mask(mapping) & gfp_mask; +} + /* * This is non-atomic. Only to be used before the mapping is activated. * Probably needs a barrier... diff --git a/mm/filemap.c b/mm/filemap.c index 6ef3674..1bb00762 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1722,7 +1722,7 @@ no_cached_page: goto out; } error = add_to_page_cache_lru(page, mapping, index, - GFP_KERNEL & mapping_gfp_mask(mapping)); + mapping_gfp_constraint(mapping, GFP_KERNEL)); if (error) { page_cache_release(page); if (error == -EEXIST) { @@ -1824,7 +1824,7 @@ static int page_cache_read(struct file *file, pgoff_t offset) return -ENOMEM; ret = add_to_page_cache_lru(page, mapping, offset, - GFP_KERNEL & mapping_gfp_mask(mapping)); + mapping_gfp_constraint(mapping, GFP_KERNEL)); if (ret == 0) ret = mapping->a_ops->readpage(file, page); else if (ret == -EEXIST) diff --git a/mm/readahead.c b/mm/readahead.c index 998ad59..ba22d7f 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -90,7 +90,7 @@ int read_cache_pages(struct address_space *mapping, struct list_head *pages, page = list_to_page(pages); list_del(&page->lru); if (add_to_page_cache_lru(page, mapping, page->index, - GFP_KERNEL & mapping_gfp_mask(mapping))) { + mapping_gfp_constraint(mapping, GFP_KERNEL))) { read_cache_pages_invalidate_page(mapping, page); continue; } @@ -128,7 +128,7 @@ static int read_pages(struct address_space *mapping, struct file *filp, struct page *page = list_to_page(pages); list_del(&page->lru); if (!add_to_page_cache_lru(page, mapping, page->index, - GFP_KERNEL & mapping_gfp_mask(mapping))) { + mapping_gfp_constraint(mapping, GFP_KERNEL))) { mapping->a_ops->readpage(filp, page); } page_cache_release(page); |
