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| author | Ian Lance Taylor <ian@gcc.gnu.org> | 2011-11-01 05:20:40 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2011-11-01 05:20:40 +0000 |
| commit | 787f74b48730d896dba2d15c06a8c792d9d1af15 (patch) | |
| tree | a371b546ba8d1ccc9322e424abc0ddb0fee68fd8 | |
| parent | 3d4339609875e273966ffab5b76526a0bf07963d (diff) | |
| download | gcc-787f74b48730d896dba2d15c06a8c792d9d1af15.zip gcc-787f74b48730d896dba2d15c06a8c792d9d1af15.tar.gz gcc-787f74b48730d896dba2d15c06a8c792d9d1af15.tar.bz2 | |
runtime: Don't ask mmap for wrapping memory.
From-SVN: r180732
| -rw-r--r-- | libgo/runtime/malloc.goc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libgo/runtime/malloc.goc b/libgo/runtime/malloc.goc index f8d4327..66f5bda 100644 --- a/libgo/runtime/malloc.goc +++ b/libgo/runtime/malloc.goc @@ -358,6 +358,8 @@ runtime_mallocinit(void) // away from the running binary image and then round up // to a MB boundary. want = (byte*)(((uintptr)end + (1<<18) + (1<<20) - 1)&~((1<<20)-1)); + if(0xffffffff - (uintptr)want <= bitmap_size + arena_size) + want = 0; p = runtime_SysReserve(want, bitmap_size + arena_size); if(p == nil) runtime_throw("runtime: cannot reserve arena virtual address space"); |