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Kernel: Don't release file-pages if volatile memory purge did it

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Jorropo 2022-08-14 23:54:24 +02:00 • committed by Andreas Kling
parent 3c7b0dab0b
commit ec4b83326b
1 changed files with 6 additions and 4 deletions
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10
Kernel/Memory/MemoryManager.cpp
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@ -942,6 +942,8 @@ ErrorOr<NonnullRefPtr<PhysicalPage>> MemoryManager::allocate_physical_page(Shoul
} }
return IterationDecision::Continue; return IterationDecision::Continue;
}); });
}
if (!page) {
// Second, we look for a file-backed VMObject with clean pages. // Second, we look for a file-backed VMObject with clean pages.
for_each_vmobject([&](auto& vmobject) { for_each_vmobject([&](auto& vmobject) {
if (!vmobject.is_inode()) if (!vmobject.is_inode())
@ -956,10 +958,10 @@ ErrorOr<NonnullRefPtr<PhysicalPage>> MemoryManager::allocate_physical_page(Shoul
} }
return IterationDecision::Continue; return IterationDecision::Continue;
}); });
if (!page) { }
dmesgln("MM: no physical pages available"); if (!page) {
return ENOMEM; dmesgln("MM: no physical pages available");
} return ENOMEM;
} }
if (should_zero_fill == ShouldZeroFill::Yes) { if (should_zero_fill == ShouldZeroFill::Yes) {