Bug 156937

Summary: bmalloc: vm allocations should plant guard pages
Product: WebKit Reporter: Geoffrey Garen <ggaren>
Component: bmallocAssignee: Geoffrey Garen <ggaren>
Status: RESOLVED FIXED    
Severity: Normal CC: barraclough, cdumez, ggaren, kling, msaboff, oliver
Priority: P2    
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
Patch msaboff: review+

Description Geoffrey Garen 2016-04-22 16:43:13 PDT
bmalloc: vm allocations should plant guard pages
Comment 1 Geoffrey Garen 2016-04-22 16:44:58 PDT
Created attachment 277114 [details]
Patch
Comment 2 Michael Saboff 2016-04-22 16:54:57 PDT
Comment on attachment 277114 [details]
Patch

r=me
Comment 3 Geoffrey Garen 2016-04-22 16:56:30 PDT
Committed r199936: <http://trac.webkit.org/changeset/199936>
Comment 4 Gavin Barraclough 2016-04-23 10:06:15 PDT
Rolled out in r199950, looks like this is a memory regression.
Comment 5 Geoffrey Garen 2016-04-25 11:21:17 PDT
Rolled back in: <http://trac.webkit.org/changeset/200035>.
Comment 6 Chris Dumez 2016-04-28 12:22:04 PDT
The roll out in r199950 was a ~1% PLT progression.