linux/include/asm-generic
Qian Cai 0cfaee2af3 include/asm-generic/5level-fixup.h: fix variable 'p4d' set but not used
A compiler throws a warning on an arm64 system since commit 9849a5697d3d
("arch, mm: convert all architectures to use 5level-fixup.h"),

  mm/kasan/init.c: In function 'kasan_free_p4d':
  mm/kasan/init.c:344:9: warning: variable 'p4d' set but not used [-Wunused-but-set-variable]
   p4d_t *p4d;
          ^~~

because p4d_none() in "5level-fixup.h" is compiled away while it is a
static inline function in "pgtable-nopud.h".

However, if converted p4d_none() to a static inline there, powerpc would
be unhappy as it reads those in assembler language in
"arch/powerpc/include/asm/book3s/64/pgtable.h", so it needs to skip
assembly include for the static inline C function.

While at it, converted a few similar functions to be consistent with the
ones in "pgtable-nopud.h".

Link: http://lkml.kernel.org/r/20190806232917.881-1-cai@lca.pw
Signed-off-by: Qian Cai <cai@lca.pw>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-08-13 16:06:52 -07:00
..
2017-11-15 13:28:48 -08:00
2018-03-09 23:19:56 +01:00
2018-05-07 07:15:41 +02:00