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-rw-r--r--exec.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/exec.c b/exec.c
index f0e2bd32b6..71ac104b39 100644
--- a/exec.c
+++ b/exec.c
@@ -909,14 +909,15 @@ static int subpage_register (subpage_t *mmio, uint32_t start, uint32_t end,
uint16_t section);
static subpage_t *subpage_init(AddressSpace *as, hwaddr base);
-static void *(*phys_mem_alloc)(size_t size) = qemu_anon_ram_alloc;
+static void *(*phys_mem_alloc)(size_t size, uint64_t *align) =
+ qemu_anon_ram_alloc;
/*
* Set a custom physical guest memory alloator.
* Accelerators with unusual needs may need this. Hopefully, we can
* get rid of it eventually.
*/
-void phys_mem_set_alloc(void *(*alloc)(size_t))
+void phys_mem_set_alloc(void *(*alloc)(size_t, uint64_t *align))
{
phys_mem_alloc = alloc;
}
@@ -1098,6 +1099,7 @@ static void *file_ram_alloc(RAMBlock *block,
error_propagate(errp, local_err);
goto error;
}
+ block->mr->align = hpagesize;
if (memory < hpagesize) {
error_setg(errp, "memory size 0x" RAM_ADDR_FMT " must be equal to "
@@ -1309,7 +1311,8 @@ static ram_addr_t ram_block_add(RAMBlock *new_block, Error **errp)
if (xen_enabled()) {
xen_ram_alloc(new_block->offset, new_block->length, new_block->mr);
} else {
- new_block->host = phys_mem_alloc(new_block->length);
+ new_block->host = phys_mem_alloc(new_block->length,
+ &new_block->mr->align);
if (!new_block->host) {
error_setg_errno(errp, errno,
"cannot set up guest memory '%s'",