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runtime: use persistentalloc instead of SysAlloc in netpoll

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Especially important for Windows because it reserves VM
only in multiple of 64k.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/10138043
This commit is contained in:
Dmitriy Vyukov 2013-06-09 21:39:47 +04:00
parent 8cf7044983
commit 5290e55164
1 changed files with 1 additions and 1 deletions
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2
src/pkg/runtime/netpoll.goc
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@ -338,7 +338,7 @@ allocPollDesc(void)
n = 1; n = 1;
// Must be in non-GC memory because can be referenced // Must be in non-GC memory because can be referenced
// only from epoll/kqueue internals. // only from epoll/kqueue internals.
pd = runtime·SysAlloc(n*sizeof(*pd)); pd = runtime·persistentalloc(n*sizeof(*pd), 0);
for(i = 0; i < n; i++) { for(i = 0; i < n; i++) {
pd[i].link = pollcache.first; pd[i].link = pollcache.first;
pollcache.first = &pd[i]; pollcache.first = &pd[i];