diff options
Diffstat (limited to 'src/pkg/runtime/mgc0.c')
| -rw-r--r-- | src/pkg/runtime/mgc0.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/pkg/runtime/mgc0.c b/src/pkg/runtime/mgc0.c index d01429f34..f0eafe3fd 100644 --- a/src/pkg/runtime/mgc0.c +++ b/src/pkg/runtime/mgc0.c @@ -91,8 +91,11 @@ mark(void) { G *gp; - // mark data+bss - scanblock(0, data, end - data); + // mark data+bss. + // skip mheap itself, which has no interesting pointers + // and is mostly zeroed and would not otherwise be paged in. + scanblock(0, data, (byte*)&mheap - data); + scanblock(0, (byte*)(&mheap+1), end - (byte*)(&mheap+1)); // mark stacks for(gp=allg; gp!=nil; gp=gp->alllink) { |