ReactOS 0.4.15-dev-7906-g1b85a5f
mmsup.c
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1/*
2 * PROJECT: ReactOS Kernel
3 * LICENSE: BSD - See COPYING.ARM in the top level directory
4 * FILE: ntoskrnl/mm/ARM3/mmsup.c
5 * PURPOSE: ARM Memory Manager Support Routines
6 * PROGRAMMERS: ReactOS Portable Systems Group
7 */
8
9/* INCLUDES *******************************************************************/
10
11#include <ntoskrnl.h>
12#define NDEBUG
13#include <debug.h>
14
15#define MODULE_INVOLVED_IN_ARM3
16#include <mm/ARM3/miarm.h>
17
18/* GLOBALS ********************************************************************/
19
23
24/* PUBLIC FUNCTIONS ***********************************************************/
25
26/*
27 * @unimplemented
28 */
34{
37}
38
39/*
40 * @unimplemented
41 */
44MmAdjustWorkingSetSize(IN SIZE_T WorkingSetMinimumInBytes,
45 IN SIZE_T WorkingSetMaximumInBytes,
46 IN ULONG SystemCache,
47 IN BOOLEAN IncreaseOkay)
48{
49 SIZE_T MinimumWorkingSetSize, MaximumWorkingSetSize;
51 PMMSUPPORT Ws;
53
54 /* Check for special case: empty the working set */
55 if ((WorkingSetMinimumInBytes == -1) &&
56 (WorkingSetMaximumInBytes == -1))
57 {
60 }
61
62 /* Assume success */
64
65 /* Get the working set and lock it */
66 Ws = &PsGetCurrentProcess()->Vm;
68
69 /* Calculate the actual minimum and maximum working set size to set */
70 MinimumWorkingSetSize = (WorkingSetMinimumInBytes != 0) ?
71 (WorkingSetMinimumInBytes / PAGE_SIZE) : Ws->MinimumWorkingSetSize;
72 MaximumWorkingSetSize = (WorkingSetMaximumInBytes != 0) ?
73 (WorkingSetMaximumInBytes / PAGE_SIZE) : Ws->MaximumWorkingSetSize;
74
75 /* Check if the new maximum exceeds the global maximum */
76 if (MaximumWorkingSetSize > MmMaximumWorkingSetSize)
77 {
78 MaximumWorkingSetSize = MmMaximumWorkingSetSize;
80 }
81
82 /* Check if the new minimum is below the global minimum */
83 if (MinimumWorkingSetSize < MmMinimumWorkingSetSize)
84 {
85 MinimumWorkingSetSize = MmMinimumWorkingSetSize;
87 }
88
89 /* Check if the new minimum exceeds the new maximum */
90 if (MinimumWorkingSetSize > MaximumWorkingSetSize)
91 {
92 DPRINT1("MinimumWorkingSetSize (%lu) > MaximumWorkingSetSize (%lu)\n",
93 MinimumWorkingSetSize, MaximumWorkingSetSize);
95 goto Cleanup;
96 }
97
98 /* Calculate the minimum WS size adjustment and check if we increase */
99 Delta = MinimumWorkingSetSize - Ws->MinimumWorkingSetSize;
100 if (Delta > 0)
101 {
102 /* Is increasing ok? */
103 if (!IncreaseOkay)
104 {
105 DPRINT1("Privilege for WS size increase not held\n");
107 goto Cleanup;
108 }
109
110 /* Check if the number of available pages is large enough */
111 if (((SIZE_T)Delta / 1024) > (MmAvailablePages - 128))
112 {
113 DPRINT1("Not enough available pages\n");
115 goto Cleanup;
116 }
117
118 /* Check if there are enough resident available pages */
119 if ((SIZE_T)Delta >
121 {
122 DPRINT1("Not enough resident pages\n");
124 goto Cleanup;
125 }
126 }
127
128 /* Update resident available pages */
129 if (Delta != 0)
130 {
132 }
133
134 /* Calculate new pages above minimum WS size */
135 Delta += max((SSIZE_T)Ws->WorkingSetSize - MinimumWorkingSetSize, 0);
136
137 /* Subtract old pages above minimum WS size */
139
140 /* If it changed, add it to the global variable */
141 if (Delta != 0)
142 {
144 }
145
146 /* Set the new working set size */
147 Ws->MinimumWorkingSetSize = MinimumWorkingSetSize;
148 Ws->MaximumWorkingSetSize = MaximumWorkingSetSize;
149
150Cleanup:
151
152 /* Unlock the working set and return the status */
154 return Status;
155}
156
157/*
158 * @unimplemented
159 */
161NTAPI
164{
166 return FALSE;
167}
168
169/*
170 * @implemented
171 */
173NTAPI
175{
176#if _MI_PAGING_LEVELS >= 4
177 /* Check if the PXE is valid */
178 if (MiAddressToPxe(VirtualAddress)->u.Hard.Valid == 0) return FALSE;
179#endif
180
181#if _MI_PAGING_LEVELS >= 3
182 /* Check if the PPE is valid */
183 if (MiAddressToPpe(VirtualAddress)->u.Hard.Valid == 0) return FALSE;
184#endif
185
186#if _MI_PAGING_LEVELS >= 2
187 /* Check if the PDE is valid */
188 if (MiAddressToPde(VirtualAddress)->u.Hard.Valid == 0) return FALSE;
189#endif
190
191 /* Check if the PTE is valid */
192 if (MiAddressToPte(VirtualAddress)->u.Hard.Valid == 0) return FALSE;
193
194 /* This address is valid now, but it will only stay so if the caller holds
195 * the PFN lock */
196 return TRUE;
197}
198
199/*
200 * @unimplemented
201 */
203NTAPI
205{
206 DPRINT1("WARNING: %s returns bogus result\n", __FUNCTION__);
208}
209
210/*
211 * @unimplemented
212 */
214NTAPI
217 IN ULONG BankLength,
218 IN BOOLEAN ReadWriteBank,
219 IN PVOID BankRoutine,
221{
224}
225
226/*
227 * @implemented
228 */
230NTAPI
232{
234
235 //
236 // If any of these is true, this is a recursive fault
237 //
238 return ((Thread->DisablePageFaultClustering) | (Thread->ForwardClusterOnly));
239}
240
241/*
242 * @implemented
243 */
245NTAPI
247{
248 /* Return if this is a server system */
249 return MmProductType & 0xFF;
250}
251
252/*
253 * @implemented
254 */
256NTAPI
258{
259 /* Return the low, medium or high memory system type */
260 return MmSystemSize;
261}
262
264NTAPI
266{
269}
270
271/* EOF */
#define STATUS_PRIVILEGE_NOT_HELD
Definition: DriverTester.h:9
unsigned char BOOLEAN
LONG NTSTATUS
Definition: precomp.h:26
#define DPRINT1
Definition: precomp.h:8
LONG_PTR SSIZE_T
Definition: basetsd.h:181
#define UNIMPLEMENTED
Definition: debug.h:115
ULONG MmProductType
Definition: mminit.c:325
#define TRUE
Definition: types.h:120
#define FALSE
Definition: types.h:117
static const WCHAR Cleanup[]
Definition: register.c:80
#define __FUNCTION__
Definition: types.h:116
#define PsGetCurrentThread()
Definition: env_spec_w32.h:81
#define PAGE_SIZE
Definition: env_spec_w32.h:49
_In_opt_ PFILE_OBJECT _In_opt_ PETHREAD Thread
Definition: fltkernel.h:2653
Status
Definition: gdiplustypes.h:25
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble * u
Definition: glfuncs.h:240
#define InterlockedExchangeAddSizeT(a, b)
Definition: interlocked.h:196
FORCEINLINE VOID MiLockWorkingSet(IN PETHREAD Thread, IN PMMSUPPORT WorkingSet)
Definition: miarm.h:1265
MM_SYSTEMSIZE MmSystemSize
Definition: mminit.c:326
FORCEINLINE VOID MiUnlockWorkingSet(IN PETHREAD Thread, IN PMMSUPPORT WorkingSet)
Definition: miarm.h:1351
SIZE_T MmSystemLockPagesCount
Definition: mdlsup.c:22
NTSTATUS NTAPI MmMapUserAddressesToPage(IN PVOID BaseAddress, IN SIZE_T NumberOfBytes, IN PVOID PageAddress)
Definition: mmsup.c:31
NTSTATUS NTAPI MmAdjustWorkingSetSize(IN SIZE_T WorkingSetMinimumInBytes, IN SIZE_T WorkingSetMaximumInBytes, IN ULONG SystemCache, IN BOOLEAN IncreaseOkay)
Definition: mmsup.c:44
NTSTATUS NTAPI MmCreateMirror(VOID)
Definition: mmsup.c:265
NTSTATUS NTAPI MmSetBankedSection(IN HANDLE ProcessHandle, IN PVOID VirtualAddress, IN ULONG BankLength, IN BOOLEAN ReadWriteBank, IN PVOID BankRoutine, IN PVOID Context)
Definition: mmsup.c:215
SIZE_T MmPagesAboveWsMinimum
Definition: mmsup.c:22
BOOLEAN NTAPI MmSetAddressRangeModified(IN PVOID Address, IN SIZE_T Length)
Definition: mmsup.c:162
BOOLEAN NTAPI MmIsAddressValid(IN PVOID VirtualAddress)
Definition: mmsup.c:174
SIZE_T MmMinimumWorkingSetSize
Definition: mmsup.c:20
BOOLEAN NTAPI MmIsRecursiveIoFault(VOID)
Definition: mmsup.c:231
SIZE_T MmMaximumWorkingSetSize
Definition: mmsup.c:21
MM_SYSTEMSIZE NTAPI MmQuerySystemSize(VOID)
Definition: mmsup.c:257
BOOLEAN NTAPI MmIsNonPagedSystemAddressValid(IN PVOID VirtualAddress)
Definition: mmsup.c:204
BOOLEAN NTAPI MmIsThisAnNtAsSystem(VOID)
Definition: mmsup.c:246
#define MiAddressToPte(x)
Definition: mmx86.c:19
#define MiAddressToPde(x)
Definition: mmx86.c:20
_In_ HANDLE ProcessHandle
Definition: mmfuncs.h:403
_In_ HANDLE _Outptr_result_bytebuffer_ ViewSize PVOID * BaseAddress
Definition: mmfuncs.h:404
_In_ ULONG _In_ ULONG _In_ ULONG Length
Definition: ntddpcm.h:102
FORCEINLINE PMMPTE MiAddressToPpe(PVOID Address)
Definition: mm.h:161
FORCEINLINE PMMPTE MiAddressToPxe(PVOID Address)
Definition: mm.h:171
PFN_NUMBER MmResidentAvailablePages
Definition: freelist.c:27
PFN_NUMBER MmAvailablePages
Definition: freelist.c:26
#define STATUS_WORKING_SET_LIMIT_RANGE
Definition: ntstatus.h:116
#define STATUS_BAD_WORKING_SET_LIMIT
Definition: ntstatus.h:312
#define STATUS_NOT_IMPLEMENTED
Definition: ntstatus.h:239
static WCHAR Address[46]
Definition: ping.c:68
#define STATUS_SUCCESS
Definition: shellext.h:65
UCHAR DisablePageFaultClustering
Definition: pstypes.h:1242
ULONG WorkingSetSize
Definition: mmtypes.h:957
ULONG MinimumWorkingSetSize
Definition: mmtypes.h:941
ULONG MaximumWorkingSetSize
Definition: mmtypes.h:942
#define max(a, b)
Definition: svc.c:63
#define NTAPI
Definition: typedefs.h:36
ULONG_PTR SIZE_T
Definition: typedefs.h:80
#define IN
Definition: typedefs.h:39
uint32_t ULONG
Definition: typedefs.h:59
#define STATUS_INSUFFICIENT_RESOURCES
Definition: udferr_usr.h:158
_Must_inspect_result_ _In_ WDFDMATRANSACTION _In_ PFN_WDF_PROGRAM_DMA _In_ WDF_DMA_DIRECTION _In_ PMDL _In_ PVOID VirtualAddress
static ULONG Delta
Definition: xboxvideo.c:33
_Must_inspect_result_ typedef _In_ PHYSICAL_ADDRESS _Inout_ PLARGE_INTEGER NumberOfBytes
Definition: iotypes.h:1036
_Must_inspect_result_ _In_ SIZE_T _In_ PVOID PageAddress
Definition: mmfuncs.h:472
enum _MM_SYSTEM_SIZE MM_SYSTEMSIZE
#define PsGetCurrentProcess
Definition: psfuncs.h:17