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map_backing_store(): Also consider the B_OVERCOMMITTING_AREA for private

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maps. The new cache will be created in over-committing mode.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@36550 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold 2010-04-30 11:55:27 +00:00
parent 59d0c2e45e
commit 278f7e57cd
1 changed files with 3 additions and 2 deletions
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5
src/system/kernel/vm/vm.cpp
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@ -776,9 +776,10 @@ map_backing_store(VMAddressSpace* addressSpace, VMCache* cache,
VMCache* newCache;
// create an anonymous cache
bool isStack = (protection & B_STACK_AREA) != 0;
status = VMCacheFactory::CreateAnonymousCache(newCache,
(protection & B_STACK_AREA) != 0, 0, USER_STACK_GUARD_PAGES, true,
VM_PRIORITY_USER);
isStack || (protection & B_OVERCOMMITTING_AREA) != 0, 0,
isStack ? USER_STACK_GUARD_PAGES : 0, true, VM_PRIORITY_USER);
if (status != B_OK)
goto err1;