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-rw-r--r--lib/libzfs/libzfs_sendrecv.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/libzfs/libzfs_sendrecv.c b/lib/libzfs/libzfs_sendrecv.c
index b08cd2b63..c1a09e3a9 100644
--- a/lib/libzfs/libzfs_sendrecv.c
+++ b/lib/libzfs/libzfs_sendrecv.c
@@ -245,12 +245,16 @@ cksummer(void *arg)
int outfd;
dedup_table_t ddt;
zio_cksum_t stream_cksum;
- uint64_t physmem = sysconf(_SC_PHYS_PAGES) * sysconf(_SC_PAGESIZE);
uint64_t numbuckets;
+#ifdef _ILP32
+ ddt.max_ddt_size = SMALLEST_POSSIBLE_MAX_DDT_MB << 20;
+#else
+ uint64_t physmem = sysconf(_SC_PHYS_PAGES) * sysconf(_SC_PAGESIZE);
ddt.max_ddt_size =
MAX((physmem * MAX_DDT_PHYSMEM_PERCENT) / 100,
SMALLEST_POSSIBLE_MAX_DDT_MB << 20);
+#endif
numbuckets = ddt.max_ddt_size / (sizeof (dedup_entry_t));