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Kernel+LibC: Make all SharedBuffers purgeable (default: non-volatile)

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This patch makes SharedBuffer use a PurgeableVMObject as its underlying
memory object.

A new syscall is added to control the volatile flag of a SharedBuffer.
This commit is contained in:
Andreas Kling 2019-12-09 20:06:47 +01:00
parent 65229a4082
commit 0317ca5ccc
6 changed files with 50 additions and 5 deletions
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1
Kernel/Process.h
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@ -219,6 +219,7 @@ public:
int sys$release_shared_buffer(int shared_buffer_id);
int sys$seal_shared_buffer(int shared_buffer_id);
int sys$get_shared_buffer_size(int shared_buffer_id);
int sys$set_shared_buffer_volatile(int shared_buffer_id, bool);
int sys$halt();
int sys$reboot();
int sys$set_process_icon(int icon_id);