| commit | a2cd2bd55d1e932b52f0b7dea45a85e058fc77d5 | [log] [tgz] |
|---|---|---|
| author | Michael Anthony Knyszek <mknyszek@google.com> | Mon Sep 16 21:23:24 2019 +0000 |
| committer | Michael Knyszek <mknyszek@google.com> | Fri Nov 08 18:00:54 2019 +0000 |
| tree | 1d58c63c070f9e46bc68dd8c33d11cac61035a86 | |
| parent | 81640ea38dc6577bdf1b206b778b968d341c27eb [diff] |
runtime: add per-p page allocation cache This change adds a per-p free page cache which the page allocator may allocate out of without a lock. The change also introduces a completely lockless page allocator fast path. Although the cache contains at most 64 pages (and usually less), the vast majority (85%+) of page allocations are exactly 1 page in size. Updates #35112. Change-Id: I170bf0a9375873e7e3230845eb1df7e5cf741b78 Reviewed-on: https://go-review.googlesource.com/c/go/+/195701 Run-TryBot: Michael Knyszek <mknyszek@google.com> Reviewed-by: Austin Clements <austin@google.com>
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