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61 lines
1.3 KiB
C
61 lines
1.3 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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* FILE: ntoskrnl/mm/wset.c
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* PURPOSE: Manages working sets
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*
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* PROGRAMMERS: David Welch (welch@cwcom.net)
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*/
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/* INCLUDES *****************************************************************/
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#include <ntoskrnl.h>
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#define NDEBUG
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#include <internal/debug.h>
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/* FUNCTIONS *****************************************************************/
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NTSTATUS
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MmTrimUserMemory(ULONG Target, ULONG Priority, PULONG NrFreedPages)
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{
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PFN_TYPE CurrentPage;
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PFN_TYPE NextPage;
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NTSTATUS Status;
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(*NrFreedPages) = 0;
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CurrentPage = MmGetLRUFirstUserPage();
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while (CurrentPage != 0 && Target > 0)
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{
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NextPage = MmGetLRUNextUserPage(CurrentPage);
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Status = MmPageOutPhysicalAddress(CurrentPage);
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if (NT_SUCCESS(Status))
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{
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DPRINT("Succeeded\n");
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Target--;
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(*NrFreedPages)++;
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}
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else if (Status == STATUS_PAGEFILE_QUOTA)
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{
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MmRemoveLRUUserPage(CurrentPage);
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MmInsertLRULastUserPage(CurrentPage);
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}
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CurrentPage = NextPage;
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}
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return(STATUS_SUCCESS);
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}
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/*
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* @unimplemented
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*/
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ULONG
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STDCALL
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MmTrimAllSystemPagableMemory (
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IN ULONG PurgeTransitionList
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)
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{
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UNIMPLEMENTED;
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return 0;
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}
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