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Signed-off-by: Olaf Hering Reviewed-by: Juergen Gross --- tools/libs/saverestore/common.h | 2 ++ tools/libs/saverestore/save.c | 7 ++----- 2 files changed, 4 insertions(+), 5 deletions(-) diff --git a/tools/libs/saverestore/common.h b/tools/libs/saverestore/commo= n.h index 0d94a4c01e..2335e6d27b 100644 --- a/tools/libs/saverestore/common.h +++ b/tools/libs/saverestore/common.h @@ -225,6 +225,8 @@ static inline int update_blob(struct xc_sr_blob *blob, =20 struct xc_sr_save_arrays { xen_pfn_t batch_pfns[MAX_BATCH_SIZE]; + /* write_batch: Mfns of the batch pfns. */ + xen_pfn_t mfns[MAX_BATCH_SIZE]; }; =20 struct xc_sr_restore_arrays { diff --git a/tools/libs/saverestore/save.c b/tools/libs/saverestore/save.c index b11ce70a11..1719ff08ba 100644 --- a/tools/libs/saverestore/save.c +++ b/tools/libs/saverestore/save.c @@ -88,7 +88,7 @@ static int write_checkpoint_record(struct xc_sr_context *= ctx) static int write_batch(struct xc_sr_context *ctx) { xc_interface *xch =3D ctx->xch; - xen_pfn_t *mfns =3D NULL, *types =3D NULL; + xen_pfn_t *mfns =3D ctx->save.m->mfns, *types =3D NULL; void *guest_mapping =3D NULL; void **guest_data =3D NULL; void **local_pages =3D NULL; @@ -105,8 +105,6 @@ static int write_batch(struct xc_sr_context *ctx) =20 assert(nr_pfns !=3D 0); =20 - /* Mfns of the batch pfns. */ - mfns =3D malloc(nr_pfns * sizeof(*mfns)); /* Types of the batch pfns. */ types =3D malloc(nr_pfns * sizeof(*types)); /* Errors from attempting to map the gfns. */ @@ -118,7 +116,7 @@ static int write_batch(struct xc_sr_context *ctx) /* iovec[] for writev(). */ iov =3D malloc((nr_pfns + 4) * sizeof(*iov)); =20 - if ( !mfns || !types || !errors || !guest_data || !local_pages || !iov= ) + if ( !types || !errors || !guest_data || !local_pages || !iov ) { ERROR("Unable to allocate arrays for a batch of %u pages", nr_pfns); @@ -277,7 +275,6 @@ static int write_batch(struct xc_sr_context *ctx) free(guest_data); free(errors); free(types); - free(mfns); =20 return rc; }