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author | Ingo Molnar <mingo@kernel.org> | 2018-10-16 17:30:11 +0200 |
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committer | Ingo Molnar <mingo@kernel.org> | 2018-10-16 17:30:11 +0200 |
commit | ec57e2f0acb01710cd465bc04495ed03a9e0fea1 (patch) | |
tree | 9f45889ba31b750f99fd3d0b625684d9b4cd4f17 /arch/x86/include/asm/fixmap.h | |
parent | 4766ab5677a2842834f9bc4a21587256a811531c (diff) | |
parent | 72a9c673636b779e370983fea08e40f97039b981 (diff) |
Merge branch 'x86/build' into locking/core, to pick up dependent patches and unify jump-label work
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include/asm/fixmap.h')
-rw-r--r-- | arch/x86/include/asm/fixmap.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/include/asm/fixmap.h b/arch/x86/include/asm/fixmap.h index e203169931c7..6390bd8c141b 100644 --- a/arch/x86/include/asm/fixmap.h +++ b/arch/x86/include/asm/fixmap.h @@ -14,6 +14,16 @@ #ifndef _ASM_X86_FIXMAP_H #define _ASM_X86_FIXMAP_H +/* + * Exposed to assembly code for setting up initial page tables. Cannot be + * calculated in assembly code (fixmap entries are an enum), but is sanity + * checked in the actual fixmap C code to make sure that the fixmap is + * covered fully. + */ +#define FIXMAP_PMD_NUM 2 +/* fixmap starts downwards from the 507th entry in level2_fixmap_pgt */ +#define FIXMAP_PMD_TOP 507 + #ifndef __ASSEMBLY__ #include <linux/kernel.h> #include <asm/acpi.h> |