The new helper returns address mapping page, which has several users in individual subsystem, like mem_to_page in xfs_buf.c and pgv_to_page in af_packet.c, after this, they can be unified
Signed-off-by: Zhang Yu <[email protected]> Signed-off-by: Li RongQing <[email protected]> --- include/linux/mm.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/include/linux/mm.h b/include/linux/mm.h index 68a5121694ef..bb34a3c71df5 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -599,6 +599,14 @@ static inline void *kvcalloc(size_t n, size_t size, gfp_t flags) return kvmalloc_array(n, size, flags | __GFP_ZERO); } +static inline struct page *kvvirt_to_page(const void *addr) +{ + if (!is_vmalloc_addr(addr)) + return virt_to_page(addr); + else + return vmalloc_to_page(addr); +} + extern void kvfree(const void *addr); static inline atomic_t *compound_mapcount_ptr(struct page *page) -- 2.16.2
