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* mm: make FIRST_USER_ADDRESS unsigned long on all archsKirill A. Shutemov2015-02-111-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | LKP has triggered a compiler warning after my recent patch "mm: account pmd page tables to the process": mm/mmap.c: In function 'exit_mmap': >> mm/mmap.c:2857:2: warning: right shift count >= width of type [enabled by default] The code: > 2857 WARN_ON(mm_nr_pmds(mm) > 2858 round_up(FIRST_USER_ADDRESS, PUD_SIZE) >> PUD_SHIFT); In this, on tile, we have FIRST_USER_ADDRESS defined as 0. round_up() has the same type -- int. PUD_SHIFT. I think the best way to fix it is to define FIRST_USER_ADDRESS as unsigned long. On every arch for consistency. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Reported-by: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* openrisc: drop _PAGE_FILE and pte_file()-related helpersKirill A. Shutemov2015-02-101-8/+0
| | | | | | | | | | We've replaced remap_file_pages(2) implementation with emulation. Nobody creates non-linear mapping anymore. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Jonas Bonn <jonas@southpole.se> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* consolidate io_remap_pfn_range definitionsAl Viro2013-06-291-3/+0
| | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* Remove remaining bits of io_remap_page_range()Javi Merino2012-03-231-1/+0
| | | | | | | | | | | | | | | Commit 33bf56106d9b ("feature removal of io_remap_page_range()") removed io_remap_page_range(), but it is still included in some arch header files. It has no in-tree users. Signed-off-by: Javi Merino <javi.merino@arm.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Aurelien Jacquiot <a-jacquiot@ti.com> Cc: Michal Simek <monstr@monstr.eu> Cc: Jonas Bonn <jonas@southpole.se> Cc: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* OpenRISC: Memory managementJonas Bonn2011-07-221-0/+463
Signed-off-by: Jonas Bonn <jonas@southpole.se> Reviewed-by: Arnd Bergmann <arnd@arndb.de>