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-rw-r--r--migration/postcopy-ram.c30
1 files changed, 1 insertions, 29 deletions
diff --git a/migration/postcopy-ram.c b/migration/postcopy-ram.c
index a40dddbaf6..1e3d22fddc 100644
--- a/migration/postcopy-ram.c
+++ b/migration/postcopy-ram.c
@@ -200,27 +200,6 @@ out:
return ret;
}
-/**
- * postcopy_ram_discard_range: Discard a range of memory.
- * We can assume that if we've been called postcopy_ram_hosttest returned true.
- *
- * @mis: Current incoming migration state.
- * @start, @length: range of memory to discard.
- *
- * returns: 0 on success.
- */
-int postcopy_ram_discard_range(MigrationIncomingState *mis, uint8_t *start,
- size_t length)
-{
- trace_postcopy_ram_discard_range(start, length);
- if (madvise(start, length, MADV_DONTNEED)) {
- error_report("%s MADV_DONTNEED: %s", __func__, strerror(errno));
- return -1;
- }
-
- return 0;
-}
-
/*
* Setup an area of RAM so that it *can* be used for postcopy later; this
* must be done right at the start prior to pre-copy.
@@ -239,7 +218,7 @@ static int init_range(const char *block_name, void *host_addr,
* - we're going to get the copy from the source anyway.
* (Precopy will just overwrite this data, so doesn't need the discard)
*/
- if (postcopy_ram_discard_range(mis, host_addr, length)) {
+ if (ram_discard_range(mis, block_name, 0, length)) {
return -1;
}
@@ -658,13 +637,6 @@ int postcopy_ram_incoming_cleanup(MigrationIncomingState *mis)
return -1;
}
-int postcopy_ram_discard_range(MigrationIncomingState *mis, uint8_t *start,
- size_t length)
-{
- assert(0);
- return -1;
-}
-
int postcopy_ram_prepare_discard(MigrationIncomingState *mis)
{
assert(0);