[Webkit-unassigned] [Bug 171384] New: bmalloc scavenger should know what page classes are allocating

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Apr 27 11:37:44 PDT 2017


https://bugs.webkit.org/show_bug.cgi?id=171384

            Bug ID: 171384
           Summary: bmalloc scavenger should know what page classes are
                    allocating
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: bmalloc
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: msaboff at apple.com
                CC: ggaren at apple.com

The scavenging process has one flag to indicate that bmalloc is allocating VM heap memory for any class.  When we scavenge, we check this flag and wait for any allocations to complete.  Instead we should keep a flag for every page size class and skip classes that are currently allocating and come back to them later.

<rdar://problem/31868122>

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