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Thu, 23 Mar 2017 20:46:55 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH 46/51] ram: Remember last_page instead of last_offset X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: dgilbert@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Juan Quintela --- migration/ram.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/migration/ram.c b/migration/ram.c index b1a031e..57b776b 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -171,8 +171,8 @@ struct RAMState { RAMBlock *last_seen_block; /* Last block from where we have sent data */ RAMBlock *last_sent_block; - /* Last offset we have sent data from */ - ram_addr_t last_offset; + /* Last dirty page we have sent */ + ram_addr_t last_page; /* last ram version we have seen */ uint32_t last_version; /* We are in the first round */ @@ -1063,7 +1063,7 @@ static bool find_dirty_block(RAMState *rs, PageSearch= Status *pss, pss->offset =3D migration_bitmap_find_dirty(rs, pss->block, pss->offse= t, page); if (pss->complete_round && pss->block =3D=3D rs->last_seen_block && - pss->offset >=3D rs->last_offset) { + pss->offset >=3D rs->last_page) { /* * We've been once around the RAM and haven't found anything. * Give up. @@ -1396,7 +1396,7 @@ static int ram_find_and_save_block(RAMState *rs, bool= last_stage) } =20 pss.block =3D rs->last_seen_block; - pss.offset =3D rs->last_offset; + pss.offset =3D rs->last_page << TARGET_PAGE_BITS; pss.complete_round =3D false; =20 if (!pss.block) { @@ -1418,7 +1418,7 @@ static int ram_find_and_save_block(RAMState *rs, bool= last_stage) } while (!pages && again); =20 rs->last_seen_block =3D pss.block; - rs->last_offset =3D pss.offset; + rs->last_page =3D pss.offset >> TARGET_PAGE_BITS; =20 return pages; } @@ -1493,7 +1493,7 @@ static void ram_state_reset(RAMState *rs) { rs->last_seen_block =3D NULL; rs->last_sent_block =3D NULL; - rs->last_offset =3D 0; + rs->last_page =3D 0; rs->last_version =3D ram_list.version; rs->ram_bulk_stage =3D true; } @@ -1838,7 +1838,7 @@ static int postcopy_chunk_hostpages(MigrationState *m= s) /* Easiest way to make sure we don't resume in the middle of a host-pa= ge */ rs->last_seen_block =3D NULL; rs->last_sent_block =3D NULL; - rs->last_offset =3D 0; + rs->last_page =3D 0; =20 QLIST_FOREACH_RCU(block, &ram_list.blocks, next) { unsigned long first =3D block->offset >> TARGET_PAGE_BITS; --=20 2.9.3