diff options
Diffstat (limited to 'system')
| -rw-r--r-- | system/memory.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/system/memory.c b/system/memory.c index 306e9ff9eb..d0c186e9f6 100644 --- a/system/memory.c +++ b/system/memory.c @@ -2106,12 +2106,16 @@ RamDiscardManager *memory_region_get_ram_discard_manager(MemoryRegion *mr) return mr->rdm; } -void memory_region_set_ram_discard_manager(MemoryRegion *mr, - RamDiscardManager *rdm) +int memory_region_set_ram_discard_manager(MemoryRegion *mr, + RamDiscardManager *rdm) { g_assert(memory_region_is_ram(mr)); - g_assert(!rdm || !mr->rdm); + if (mr->rdm && rdm) { + return -EBUSY; + } + mr->rdm = rdm; + return 0; } uint64_t ram_discard_manager_get_min_granularity(const RamDiscardManager *rdm, |