diff options
Diffstat (limited to 'drivers/cxl/core/hdm.c')
| -rw-r--r-- | drivers/cxl/core/hdm.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/cxl/core/hdm.c b/drivers/cxl/core/hdm.c index e096f74e19df..d1d2caea5c62 100644 --- a/drivers/cxl/core/hdm.c +++ b/drivers/cxl/core/hdm.c @@ -445,7 +445,16 @@ int cxl_dpa_alloc(struct cxl_endpoint_decoder *cxled, unsigned long long size) start = free_pmem_start; avail = cxlds->pmem_res.end - start + 1; skip_start = free_ram_start; - skip_end = start - 1; + + /* + * If some pmem is already allocated, then that allocation + * already handled the skip. + */ + if (cxlds->pmem_res.child && + skip_start == cxlds->pmem_res.child->start) + skip_end = skip_start - 1; + else + skip_end = start - 1; skip = skip_end - skip_start + 1; } else { dev_dbg(dev, "mode not set\n"); |