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Bug ID: 7087583 Hotspot fails to allocate heap with mmap(MAP_HUGETLB)
7087583 : Hotspot fails to allocate heap with mmap(MAP_HUGETLB)

Details
Type:
Bug
Submit Date:
2011-09-06
Status:
Resolved
Updated Date:
2011-12-12
Project Name:
JDK
Resolved Date:
2011-09-14
Component:
hotspot
OS:
solaris_11,linux
Sub-Component:
gc
CPU:
sparc,generic
Priority:
P2
Resolution:
Fixed
Affected Versions:
solaris_11,hs22
Fixed Versions:
hs22

Related Reports
Backport:
JDK-2215490 - Hotspot fails to allocate heap with mmap(MAP_HUGETLB)
Backport:
JDK-2214897 - Hotspot fails to allocate heap with mmap(MAP_HUGETLB)

Sub Tasks

Description
Hotspot will fail allocating the heap on linux >= 2.6.32 if there're more than 1 large page present but not enough to cover all the heap.

Comments
EVALUATION

See main CR
2011-09-14 
EVALUATION

http://hg.openjdk.java.net/hsx/hotspot-gc/hotspot/rev/27702f012017
2011-09-07 
SUGGESTED FIX

The solution would be to try small pages if mmap(MAP_HUGETLB) fails.
2011-09-06


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