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author | Mike Rapoport <rppt@linux.ibm.com> | 2019-11-21 18:21:31 +0200 |
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committer | Paul Burton <paulburton@kernel.org> | 2019-11-22 10:50:56 -0800 |
commit | 3ed6751bb8fa89c3014399bb0414348499ee202a (patch) | |
tree | d0e84c82caf7335852f12a1a36c6dc9b5236ba8b /init/do_mounts_rd.c | |
parent | 7d73d572111ff585b953b88be4edaf2769bc017e (diff) | |
download | linux-3ed6751bb8fa89c3014399bb0414348499ee202a.tar.bz2 |
mips: fix build when "48 bits virtual memory" is enabled
With CONFIG_MIPS_VA_BITS_48=y the build fails miserably:
CC arch/mips/kernel/asm-offsets.s
In file included from arch/mips/include/asm/pgtable.h:644,
from include/linux/mm.h:99,
from arch/mips/kernel/asm-offsets.c:15:
include/asm-generic/pgtable.h:16:2: error: #error CONFIG_PGTABLE_LEVELS is not consistent with __PAGETABLE_{P4D,PUD,PMD}_FOLDED
#error CONFIG_PGTABLE_LEVELS is not consistent with __PAGETABLE_{P4D,PUD,PMD}_FOLDED
^~~~~
include/asm-generic/pgtable.h:390:28: error: unknown type name 'p4d_t'; did you mean 'pmd_t'?
static inline int p4d_same(p4d_t p4d_a, p4d_t p4d_b)
^~~~~
pmd_t
[ ... more such errors ... ]
scripts/Makefile.build:99: recipe for target 'arch/mips/kernel/asm-offsets.s' failed
make[2]: *** [arch/mips/kernel/asm-offsets.s] Error 1
This happens because when CONFIG_MIPS_VA_BITS_48 enables 4th level of the
page tables, but neither pgtable-nop4d.h nor 5level-fixup.h are included to
cope with the 5th level.
Replace #ifdef conditions around includes of the pgtable-nop{m,u}d.h with
explicit CONFIG_PGTABLE_LEVELS and add include of 5level-fixup.h for the
case when CONFIG_PGTABLE_LEVELS==4
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Paul Burton <paulburton@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-mm@kvack.org
Cc: Mike Rapoport <rppt@kernel.org>
Diffstat (limited to 'init/do_mounts_rd.c')
0 files changed, 0 insertions, 0 deletions