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runtime: correct ptrSize test in Linux version of sysReserve

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Change-Id: I90a8ca51269528a307e0d6f52436fc7913cd7900
Reviewed-on: https://go-review.googlesource.com/1541
Reviewed-by: Russ Cox <rsc@golang.org>
This commit is contained in:
Ian Lance Taylor 2014-12-14 07:59:11 -08:00
parent 675eb72c28
commit 8a853aa5cb
1 changed files with 1 additions and 1 deletions
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2
src/runtime/mem_linux.go
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@ -88,7 +88,7 @@ func sysReserve(v unsafe.Pointer, n uintptr, reserved *bool) unsafe.Pointer {
// much address space. Instead, assume that the reservation is okay
// if we can reserve at least 64K and check the assumption in SysMap.
// Only user-mode Linux (UML) rejects these requests.
if ptrSize == 7 && uint64(n) > 1<<32 {
if ptrSize == 8 && uint64(n) > 1<<32 {
p := mmap_fixed(v, 64<<10, _PROT_NONE, _MAP_ANON|_MAP_PRIVATE, -1, 0)
if p != v {
if uintptr(p) >= 4096 {