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author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-11-30 14:56:55 +0300 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-11-30 14:56:55 +0300 |
commit | 1f195e557d137be004894d2016357013331ec3d0 (patch) | |
tree | ac74e64b08349fc569e9db2edcf32c4bf84b0c9b /include/linux/pgtable.h | |
parent | fd4ebb457c9ca90d10a74aeb85d54e27b08d5e76 (diff) | |
parent | b65054597872ce3aefbc6a666385eabdf9e288da (diff) | |
download | linux-1f195e557d137be004894d2016357013331ec3d0.tar.xz |
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up fixes.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'include/linux/pgtable.h')
-rw-r--r-- | include/linux/pgtable.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index 71125a4676c4..e237004d498d 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -1427,6 +1427,19 @@ typedef unsigned int pgtbl_mod_mask; #endif /* !__ASSEMBLY__ */ +#if !defined(MAX_POSSIBLE_PHYSMEM_BITS) && !defined(CONFIG_64BIT) +#ifdef CONFIG_PHYS_ADDR_T_64BIT +/* + * ZSMALLOC needs to know the highest PFN on 32-bit architectures + * with physical address space extension, but falls back to + * BITS_PER_LONG otherwise. + */ +#error Missing MAX_POSSIBLE_PHYSMEM_BITS definition +#else +#define MAX_POSSIBLE_PHYSMEM_BITS 32 +#endif +#endif + #ifndef has_transparent_hugepage #ifdef CONFIG_TRANSPARENT_HUGEPAGE #define has_transparent_hugepage() 1 |