[PATCH 4.4 30/70] pstore: Fix incorrect persistent ram buffer mapping

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Bin Yang commit 831b624df1b420c8f9281ed1307a8db23afb72df upstream. persistent_ram_vmap() returns the page start vaddr. persistent_ram_iomap() supports non-page-aligned mapping.

[PATCH 4.4 30/70] pstore: Fix incorrect persistent ram buffer mapping

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Bin Yang commit 831b624df1b420c8f9281ed1307a8db23afb72df upstream. persistent_ram_vmap() returns the page start vaddr. persistent_ram_iomap() supports non-page-aligned mapping.