ntdll: Make the page_size variable global.

dlls/ntdll/cdrom.c

@@ -1980,9 +1980,9 @@ static NTSTATUS CDROM_ScsiGetCaps(int fd, PIO_SCSI_CAPABILITIES caps)
 #ifdef SG_SCATTER_SZ
     caps->Length = sizeof(*caps);
     caps->MaximumTransferLength = SG_SCATTER_SZ; /* FIXME */
-    caps->MaximumPhysicalPages = SG_SCATTER_SZ / getpagesize();
+    caps->MaximumPhysicalPages = SG_SCATTER_SZ / page_size;
     caps->SupportedAsynchronousEvents = TRUE;
-    caps->AlignmentMask = getpagesize();
+    caps->AlignmentMask = page_size;
     caps->TaggedQueuing = FALSE; /* we could check that it works and answer TRUE */
     caps->AdapterScansDown = FALSE; /* FIXME ? */
     caps->AdapterUsesPio = FALSE; /* FIXME ? */
@@ -1997,7 +1997,7 @@ static NTSTATUS CDROM_ScsiGetCaps(int fd, PIO_SCSI_CAPABILITIES caps)
     if (io != 0) return CDROM_GetStatusCode(io);
     caps->Length = sizeof(*caps);
     caps->MaximumTransferLength = bytesr < bytesw ? bytesr : bytesw;
-    caps->MaximumPhysicalPages = caps->MaximumTransferLength / getpagesize();
+    caps->MaximumPhysicalPages = caps->MaximumTransferLength / page_size;
     caps->SupportedAsynchronousEvents = TRUE;
     caps->AlignmentMask = align-1;
     caps->TaggedQueuing = FALSE; /* we could check that it works and answer TRUE */

dlls/ntdll/directory.c

@@ -1384,7 +1384,6 @@ static KERNEL_DIRENT *start_vfat_ioctl( int fd )
 
     if (!de)
     {
-        const size_t page_size = getpagesize();
         SIZE_T size = 2 * sizeof(*de) + page_size;
         void *addr = NULL;
 

dlls/ntdll/file.c

@@ -765,7 +765,6 @@ NTSTATUS WINAPI NtReadFileScatter( HANDLE file, HANDLE event, PIO_APC_ROUTINE ap
                                    PIO_STATUS_BLOCK io_status, FILE_SEGMENT_ELEMENT *segments,
                                    ULONG length, PLARGE_INTEGER offset, PULONG key )
 {
-    size_t page_size = getpagesize();
     int result, unix_handle, needs_close;
     unsigned int options;
     NTSTATUS status;
@@ -1097,7 +1096,6 @@ NTSTATUS WINAPI NtWriteFileGather( HANDLE file, HANDLE event, PIO_APC_ROUTINE ap
                                    PIO_STATUS_BLOCK io_status, FILE_SEGMENT_ELEMENT *segments,
                                    ULONG length, PLARGE_INTEGER offset, PULONG key )
 {
-    size_t page_size = getpagesize();
     int result, unix_handle, needs_close;
     unsigned int options;
     NTSTATUS status;

dlls/ntdll/heap.c

@@ -40,6 +40,7 @@
 #include "windef.h"
 #include "winnt.h"
 #include "winternl.h"
+#include "ntdll_misc.h"
 #include "wine/list.h"
 #include "wine/debug.h"
 #include "wine/server.h"
@@ -806,7 +807,7 @@ static BOOL validate_large_arena( HEAP *heap, const ARENA_LARGE *arena, BOOL qui
 {
     DWORD flags = heap->flags;
 
-    if ((ULONG_PTR)arena % getpagesize())
+    if ((ULONG_PTR)arena % page_size)
     {
         if (quiet == NOISY)
         {

dlls/ntdll/loader.c

@@ -773,7 +773,7 @@ static BOOL is_dll_native_subsystem( HMODULE module, const IMAGE_NT_HEADERS *nt,
     WCHAR buffer[16];
 
     if (nt->OptionalHeader.Subsystem != IMAGE_SUBSYSTEM_NATIVE) return FALSE;
-    if (nt->OptionalHeader.SectionAlignment < getpagesize()) return TRUE;
+    if (nt->OptionalHeader.SectionAlignment < page_size) return TRUE;
 
     if ((imports = RtlImageDirectoryEntryToData( module, TRUE,
                                                  IMAGE_DIRECTORY_ENTRY_IMPORT, &size )))

dlls/ntdll/ntdll_misc.h

@@ -33,6 +33,12 @@
 
 #define MAX_DOS_DRIVES 26
 
+#if defined(__i386__) || defined(__x86_64__)
+static const UINT_PTR page_size = 0x1000;
+#else
+extern UINT_PTR page_size DECLSPEC_HIDDEN;
+#endif
+
 struct drive_info
 {
     dev_t dev;

dlls/ntdll/signal_arm.c

@@ -798,7 +798,7 @@ NTSTATUS signal_alloc_thread( TEB **teb )
 
     if (!sigstack_zero_bits)
     {
-        size_t min_size = getpagesize();  /* this is just for the TEB, we don't use a signal stack yet */
+        size_t min_size = page_size;
         /* find the first power of two not smaller than min_size */
         while ((1u << sigstack_zero_bits) < min_size) sigstack_zero_bits++;
         assert( sizeof(TEB) <= min_size );

dlls/ntdll/signal_powerpc.c

@@ -963,7 +963,7 @@ NTSTATUS signal_alloc_thread( TEB **teb )
 
     if (!sigstack_zero_bits)
     {
-        size_t min_size = getpagesize();  /* this is just for the TEB, we don't use a signal stack yet */
+        size_t min_size = page_size;  /* this is just for the TEB, we don't use a signal stack yet */
         /* find the first power of two not smaller than min_size */
         while ((1u << sigstack_zero_bits) < min_size) sigstack_zero_bits++;
         assert( sizeof(TEB) <= min_size );

dlls/ntdll/signal_sparc.c

@@ -725,7 +725,7 @@ NTSTATUS signal_alloc_thread( TEB **teb )
 
     if (!sigstack_zero_bits)
     {
-        size_t min_size = getpagesize();  /* this is just for the TEB, we don't use a signal stack yet */
+        size_t min_size = page_size;
         /* find the first power of two not smaller than min_size */
         while ((1u << sigstack_zero_bits) < min_size) sigstack_zero_bits++;
         assert( sizeof(TEB) <= min_size );

dlls/ntdll/virtual.c

@@ -112,26 +112,23 @@ static RTL_CRITICAL_SECTION_DEBUG critsect_debug =
 static RTL_CRITICAL_SECTION csVirtual = { &critsect_debug, -1, 0, 0, 0, 0 };
 
 #ifdef __i386__
-/* These are always the same on an i386, and it will be faster this way */
-# define page_mask  0xfff
-# define page_shift 12
-# define page_size  0x1000
+static const UINT page_shift = 12;
+static const UINT_PTR page_mask = 0xfff;
 /* Note: these are Windows limits, you cannot change them. */
 static void *address_space_limit = (void *)0xc0000000;  /* top of the total available address space */
 static void *user_space_limit    = (void *)0x7fff0000;  /* top of the user address space */
 static void *working_set_limit   = (void *)0x7fff0000;  /* top of the current working set */
 static void *address_space_start = (void *)0x110000;    /* keep DOS area clear */
 #elif defined(__x86_64__)
-# define page_mask  0xfff
-# define page_shift 12
-# define page_size  0x1000
+static const UINT page_shift = 12;
+static const UINT_PTR page_mask = 0xfff;
 static void *address_space_limit = (void *)0x7fffffff0000;
 static void *user_space_limit    = (void *)0x7fffffff0000;
 static void *working_set_limit   = (void *)0x7fffffff0000;
 static void *address_space_start = (void *)0x10000;
 #else
+UINT_PTR page_size = 0;
 static UINT page_shift;
-static UINT_PTR page_size;
 static UINT_PTR page_mask;
 static void *address_space_limit;
 static void *user_space_limit;
@@ -1416,8 +1413,8 @@ void virtual_init(void)
     size_t size;
     struct file_view *heap_view;
 
-#ifndef page_mask
-    page_size = getpagesize();
+#if !defined(__i386__) && !defined(__x86_64__)
+    page_size = sysconf( _SC_PAGESIZE );
     page_mask = page_size - 1;
     /* Make sure we have a power of 2 */
     assert( !(page_size & page_mask) );