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kernel: Schedule cache clears only on certain checkpoints
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apio 2023-09-21 19:14:13 +02:00
parent 14f0c93175
commit b52f96ab64
Signed by: apio
GPG Key ID: B8A7D06E42258954
1 changed files with 8 additions and 3 deletions
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11
kernel/src/memory/MemoryManager.cpp
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@ -157,10 +157,15 @@ namespace MemoryManager
used_mem += ARCH_PAGE_SIZE;
free_mem -= ARCH_PAGE_SIZE;
if (free_mem < 4 * 1024 * 1024)
if (free_mem * 4 == total())
{
// Less than 4 MiB of free memory! Let's start clearing caches...
kwarnln("Less than 4 MiB of free memory, clearing caches to try to gain extra memory");
kwarnln("Only 1/4 of memory is free, clearing caches to try to gain extra memory");
Scheduler::signal_oom_thread();
}
if (free_mem * 8 == total())
{
kwarnln("Only 1/8 of memory is free, clearing caches to try to gain extra memory");
Scheduler::signal_oom_thread();
}