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runtime: change fixalloc's chunk field to unsafe.Pointer

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It's never used as a *byte anyway, so might as well just make it an
unsafe.Pointer instead.

Change-Id: I68ee418781ab2fc574eeac0498f2515b5561b7a8
Reviewed-on: https://go-review.googlesource.com/16175
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Matthew Dempsky 2015-10-21 17:19:49 -07:00
parent 1948aef6e3
commit 29330c118d
1 changed files with 4 additions and 4 deletions
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8
src/runtime/mfixalloc.go
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@ -23,7 +23,7 @@ type fixalloc struct {
first func(arg, p unsafe.Pointer) // called first time p is returned first func(arg, p unsafe.Pointer) // called first time p is returned
arg unsafe.Pointer arg unsafe.Pointer
list *mlink list *mlink
chunk *byte chunk unsafe.Pointer
nchunk uint32 nchunk uint32
inuse uintptr // in-use bytes now inuse uintptr // in-use bytes now
stat *uint64 stat *uint64
@ -64,15 +64,15 @@ func fixAlloc_Alloc(f *fixalloc) unsafe.Pointer {
return v return v
} }
if uintptr(f.nchunk) < f.size { if uintptr(f.nchunk) < f.size {
f.chunk = (*uint8)(persistentalloc(_FixAllocChunk, 0, f.stat)) f.chunk = persistentalloc(_FixAllocChunk, 0, f.stat)
f.nchunk = _FixAllocChunk f.nchunk = _FixAllocChunk
} }
v := unsafe.Pointer(f.chunk) v := f.chunk
if f.first != nil { if f.first != nil {
f.first(f.arg, v) f.first(f.arg, v)
} }
f.chunk = (*byte)(add(unsafe.Pointer(f.chunk), f.size)) f.chunk = add(f.chunk, f.size)
f.nchunk -= uint32(f.size) f.nchunk -= uint32(f.size)
f.inuse += f.size f.inuse += f.size
return v return v