[PATCH 3/3] tools/libxl: Only allocate 64 bytes for RSDP

[Kevin Stefanov <kevin.stefanov@xxxxxxxxxx>]

RSDP's size is 64 bytes and later in the function, its buffer is
hardcoded to be 64 bytes long. Don't bother to allocate a whole page.

Signed-off-by: Kevin Stefanov <kevin.stefanov@xxxxxxxxxx>
---
CC: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CC: Ian Jackson <iwj@xxxxxxxxxxxxxx>
CC: Wei Liu <wl@xxxxxxx>
CC: Anthony PERARD <anthony.perard@xxxxxxxxxx>
---
 tools/libs/light/libxl_x86_acpi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/libs/light/libxl_x86_acpi.c 
b/tools/libs/light/libxl_x86_acpi.c
index 0a82e7cacd..2aea1eca31 100644
--- a/tools/libs/light/libxl_x86_acpi.c
+++ b/tools/libs/light/libxl_x86_acpi.c
@@ -183,7 +183,7 @@ int libxl__dom_load_acpi(libxl__gc *gc,
         goto out;
     }
 
-    config.rsdp = (unsigned long)libxl__malloc(gc, libxl_ctxt.page_size);
+    config.rsdp = (unsigned long)libxl__malloc(gc, 64);
     config.infop = (unsigned long)libxl__malloc(gc, libxl_ctxt.page_size);
     /* Pages to hold ACPI tables */
     acpi_pages =  libxl__malloc(gc, (NUM_ACPI_PAGES + 1) *
-- 
2.25.1