diff options
| author |   David S. Miller <davem@davemloft.net> | 2014-07-30 13:25:49 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-07-30 13:25:49 -0700 |
| commit | f139c74a8df071217dcd63f3ef06ae7be7071c4d (patch) | |
| tree | 5711f695577a18a06dbcd0101956e97b388ffa1a /include/linux | |
| parent | net: mvpp2: implement ioctl() operation for PHY ioctls (diff) | |
| parent | Merge tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux (diff) | |
| download | linux-dev-f139c74a8df071217dcd63f3ef06ae7be7071c4d.tar.xz linux-dev-f139c74a8df071217dcd63f3ef06ae7be7071c4d.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/libata.h | 1 | ||||
| -rw-r--r-- | include/linux/of_fdt.h | 3 | ||||
| -rw-r--r-- | include/linux/pagemap.h | 12 |
3 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h index 5ab4e3a76721..92abb497ab14 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -593,6 +593,7 @@ struct ata_host { struct device *dev; void __iomem * const *iomap; unsigned int n_ports; + unsigned int n_tags; /* nr of NCQ tags */ void *private_data; struct ata_port_operations *ops; unsigned long flags; diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h index 05117899fcb4..0ff360d5b3b3 100644 --- a/include/linux/of_fdt.h +++ b/include/linux/of_fdt.h @@ -73,6 +73,8 @@ extern int early_init_dt_scan_root(unsigned long node, const char *uname, int depth, void *data); extern bool early_init_dt_scan(void *params); +extern bool early_init_dt_verify(void *params); +extern void early_init_dt_scan_nodes(void); extern const char *of_flat_dt_get_machine_name(void); extern const void *of_flat_dt_match_machine(const void *default_match, @@ -84,6 +86,7 @@ extern void unflatten_and_copy_device_tree(void); extern void early_init_devtree(void *); extern void early_get_first_memblock_info(void *, phys_addr_t *); extern u64 fdt_translate_address(const void *blob, int node_offset); +extern void of_fdt_limit_memory(int limit); #else /* CONFIG_OF_FLATTREE */ static inline void early_init_fdt_scan_reserved_mem(void) {} static inline const char *of_flat_dt_get_machine_name(void) { return NULL; } diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 0a97b583ee8d..e1474ae18c88 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -399,6 +399,18 @@ static inline struct page *read_mapping_page(struct address_space *mapping, } /* + * Get the offset in PAGE_SIZE. + * (TODO: hugepage should have ->index in PAGE_SIZE) + */ +static inline pgoff_t page_to_pgoff(struct page *page) +{ + if (unlikely(PageHeadHuge(page))) + return page->index << compound_order(page); + else + return page->index << (PAGE_CACHE_SHIFT - PAGE_SHIFT); +} + +/* * Return byte-offset into filesystem object for page. */ static inline loff_t page_offset(struct page *page) |