diff options
| -rw-r--r-- | subprojects/libvhost-user/libvhost-user.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/subprojects/libvhost-user/libvhost-user.c b/subprojects/libvhost-user/libvhost-user.c index 0ee43b8e93..47d2efc60f 100644 --- a/subprojects/libvhost-user/libvhost-user.c +++ b/subprojects/libvhost-user/libvhost-user.c @@ -751,12 +751,12 @@ vu_add_mem_reg(VuDev *dev, VhostUserMsg *vmsg) { * accessing it before we userfault. */ mmap_addr = mmap(0, dev_region->size + dev_region->mmap_offset, - PROT_NONE, MAP_SHARED, + PROT_NONE, MAP_SHARED | MAP_NORESERVE, vmsg->fds[0], 0); } else { mmap_addr = mmap(0, dev_region->size + dev_region->mmap_offset, - PROT_READ | PROT_WRITE, MAP_SHARED, vmsg->fds[0], - 0); + PROT_READ | PROT_WRITE, MAP_SHARED | MAP_NORESERVE, + vmsg->fds[0], 0); } if (mmap_addr == MAP_FAILED) { @@ -920,7 +920,7 @@ vu_set_mem_table_exec_postcopy(VuDev *dev, VhostUserMsg *vmsg) * accessing it before we userfault */ mmap_addr = mmap(0, dev_region->size + dev_region->mmap_offset, - PROT_NONE, MAP_SHARED, + PROT_NONE, MAP_SHARED | MAP_NORESERVE, vmsg->fds[i], 0); if (mmap_addr == MAP_FAILED) { @@ -1007,7 +1007,7 @@ vu_set_mem_table_exec(VuDev *dev, VhostUserMsg *vmsg) * mapped address has to be page aligned, and we use huge * pages. */ mmap_addr = mmap(0, dev_region->size + dev_region->mmap_offset, - PROT_READ | PROT_WRITE, MAP_SHARED, + PROT_READ | PROT_WRITE, MAP_SHARED | MAP_NORESERVE, vmsg->fds[i], 0); if (mmap_addr == MAP_FAILED) { |