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NFC: Racing stripes on Metaslab accessors

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Even on debug builds, these little things should be inlined
This commit is contained in:
Nathaniel Wesley Filardo
2021-10-17 17:23:39 +01:00
committed by Nathaniel Wesley Filardo
parent dba795ac6f
commit c2ce9c118d
1 changed files with 6 additions and 4 deletions
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10
src/mem/metaslab.h
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@@ -203,10 +203,12 @@ namespace snmalloc
* the second argument of this must always be the return value from
* `get_remote_and_sizeclass`.
*/
SNMALLOC_FAST_PATH
MetaEntry(Metaslab* meta, uintptr_t remote_and_sizeclass)
: meta(meta), remote_and_sizeclass(remote_and_sizeclass)
{}
SNMALLOC_FAST_PATH
MetaEntry(Metaslab* meta, RemoteAllocator* remote, sizeclass_t sizeclass)
: meta(meta)
{
@@ -215,7 +217,7 @@ namespace snmalloc
pointer_offset(reinterpret_cast<uintptr_t>(remote), sizeclass);
}
[[nodiscard]] Metaslab* get_metaslab() const
[[nodiscard]] SNMALLOC_FAST_PATH Metaslab* get_metaslab() const
{
return meta;
}
@@ -226,18 +228,18 @@ namespace snmalloc
* only safe use for this is to pass it to the two-argument constructor of
* this class.
*/
uintptr_t get_remote_and_sizeclass()
[[nodiscard]] SNMALLOC_FAST_PATH uintptr_t get_remote_and_sizeclass()
{
return remote_and_sizeclass;
}
[[nodiscard]] RemoteAllocator* get_remote() const
[[nodiscard]] SNMALLOC_FAST_PATH RemoteAllocator* get_remote() const
{
return reinterpret_cast<RemoteAllocator*>(
pointer_align_down<alignof(RemoteAllocator)>(remote_and_sizeclass));
}
[[nodiscard]] sizeclass_t get_sizeclass() const
[[nodiscard]] SNMALLOC_FAST_PATH sizeclass_t get_sizeclass() const
{
return remote_and_sizeclass & (alignof(RemoteAllocator) - 1);
}