| Message ID | 1386786509-29966-15-git-send-email-mst@redhat.com |
|---|---|
| State | New |
| Headers | show |
diff --git a/exec.c b/exec.c index f907f5f..67a073c 100644 --- a/exec.c +++ b/exec.c @@ -96,7 +96,7 @@ struct PhysPageEntry { /* Size of the L2 (and L3, etc) page tables. */ #define ADDR_SPACE_BITS 64 -#define P_L2_BITS 10 +#define P_L2_BITS 9 #define P_L2_SIZE (1 << P_L2_BITS) #define P_L2_LEVELS (((ADDR_SPACE_BITS - TARGET_PAGE_BITS - 1) / P_L2_BITS) + 1)
With the single exception of ppc with 16M pages, we get the same number of levels with L2_PAGE_SIZE = 10 as with L2_PAGE_SIZE = 9. by doing this we reduce memory footprint of a single level in the node memory map by 2x without runtime overhead. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> --- exec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)