diff options
Diffstat (limited to 'xen')
| -rw-r--r-- | xen/arch/arm/setup.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/xen/arch/arm/setup.c b/xen/arch/arm/setup.c index 23e9577073..d615b4a401 100644 --- a/xen/arch/arm/setup.c +++ b/xen/arch/arm/setup.c @@ -264,9 +264,11 @@ static paddr_t __init consider_modules(paddr_t s, paddr_t e, * Return the end of the non-module region starting at s. In other * words return s the start of the next modules after s. * - * Also returns the end of that module in *n. + * On input *end is the end of the region which should be considered + * and it is updated to reflect the end of the module, clipped to the + * end of the region if it would run over. */ -static paddr_t __init next_module(paddr_t s, paddr_t *n) +static paddr_t __init next_module(paddr_t s, paddr_t *end) { struct dt_module_info *mi = &early_info.modules; paddr_t lowest = ~(paddr_t)0; @@ -281,8 +283,10 @@ static paddr_t __init next_module(paddr_t s, paddr_t *n) continue; if ( mod_s > lowest ) continue; + if ( mod_s > *end ) + continue; lowest = mod_s; - *n = mod_e; + *end = min(*end, mod_e); } return lowest; } @@ -528,6 +532,9 @@ static void __init setup_mm(unsigned long dtb_paddr, size_t dtb_size) e = n = bank_end; } + if ( e > bank_end ) + e = bank_end; + setup_xenheap_mappings(s>>PAGE_SHIFT, (e-s)>>PAGE_SHIFT); xenheap_mfn_end = e; |