diff options
Diffstat (limited to 'arch/arm64/mm/fixmap.c')
| -rw-r--r-- | arch/arm64/mm/fixmap.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm64/mm/fixmap.c b/arch/arm64/mm/fixmap.c index c0a3301203bd..6fc17b2e1714 100644 --- a/arch/arm64/mm/fixmap.c +++ b/arch/arm64/mm/fixmap.c @@ -16,6 +16,9 @@ #include <asm/pgalloc.h> #include <asm/tlbflush.h> +/* ensure that the fixmap region does not grow down into the PCI I/O region */ +static_assert(FIXADDR_TOT_START > PCI_IO_END); + #define NR_BM_PTE_TABLES \ SPAN_NR_ENTRIES(FIXADDR_TOT_START, FIXADDR_TOP, PMD_SHIFT) #define NR_BM_PMD_TABLES \ |