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[RFC,14/15] libvhost-user: Increase VHOST_USER_MAX_RAM_SLOTS to 4096

Message ID 20211013103330.26869-15-david@redhat.com
State New
Headers show
Series virtio-mem: Expose device memory via separate memslots | expand

Commit Message

David Hildenbrand Oct. 13, 2021, 10:33 a.m. UTC 
4096 is the maximum we can have right now in QEMU with vhost-user, so
increase the libvhost-user limit as well.

Signed-off-by: David Hildenbrand <david@redhat.com>
---
 subprojects/libvhost-user/libvhost-user.h | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)
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Patch

diff --git a/subprojects/libvhost-user/libvhost-user.h b/subprojects/libvhost-user/libvhost-user.h
index 3d13dfadde..d9628ed9f0 100644
--- a/subprojects/libvhost-user/libvhost-user.h
+++ b/subprojects/libvhost-user/libvhost-user.h
@@ -30,11 +30,8 @@ 
 
 #define VHOST_MEMORY_BASELINE_NREGIONS 8
 
-/*
- * Set a reasonable maximum number of ram slots, which will be supported by
- * any architecture.
- */
-#define VHOST_USER_MAX_RAM_SLOTS 32
+/* Set the RAM slots based on the maximum supported by QEMU vhost-user. */
+#define VHOST_USER_MAX_RAM_SLOTS 4096
 
 #define VHOST_USER_HDR_SIZE offsetof(VhostUserMsg, payload.u64)