diff options
Diffstat (limited to 'arch/powerpc/include/asm/drmem.h')
| -rw-r--r-- | arch/powerpc/include/asm/drmem.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/drmem.h b/arch/powerpc/include/asm/drmem.h index 9dbfd38fa385..464e061a6616 100644 --- a/arch/powerpc/include/asm/drmem.h +++ b/arch/powerpc/include/asm/drmem.h @@ -40,9 +40,27 @@ static inline u32 drmem_lmb_size(void) return drmem_info->lmb_size; } +#define DRMEM_LMB_RESERVED 0x80000000 + +static inline void drmem_mark_lmb_reserved(struct drmem_lmb *lmb) +{ + lmb->flags |= DRMEM_LMB_RESERVED; +} + +static inline void drmem_remove_lmb_reservation(struct drmem_lmb *lmb) +{ + lmb->flags &= ~DRMEM_LMB_RESERVED; +} + +static inline bool drmem_lmb_reserved(struct drmem_lmb *lmb) +{ + return lmb->flags & DRMEM_LMB_RESERVED; +} + u64 drmem_lmb_memory_max(void); void __init walk_drmem_lmbs(struct device_node *dn, void (*func)(struct drmem_lmb *, const __be32 **)); +int drmem_update_dt(void); #ifdef CONFIG_PPC_PSERIES void __init walk_drmem_lmbs_early(unsigned long node, |