From 29c26b964f2f2af899f1c5672149499607573aab Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 23 Apr 2026 00:50:54 +0000
Subject: [PATCH 1/2] Initial plan


From 12494db25627e846c848f8bd97da1c2927358c77 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 23 Apr 2026 00:53:47 +0000
Subject: [PATCH 2/2] [UDFS] move large mount/VAT buffers to PagedPool

Agent-Logs-Url: https://github.com/Zero3K20/reactos/sessions/ffe6841a-3388-46f2-ae2f-469a57193caa

Co-authored-by: Zero3K20 <258969903+Zero3K20@users.noreply.github.com>
---
 drivers/filesystems/udfs/udf_info/mount.cpp    | 13 ++++++-------
 drivers/filesystems/udfs/udf_info/udf_info.cpp |  2 +-
 2 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/drivers/filesystems/udfs/udf_info/mount.cpp b/drivers/filesystems/udfs/udf_info/mount.cpp
index 3fc100aba5a3f..8d4322eb08d7c 100644
--- a/drivers/filesystems/udfs/udf_info/mount.cpp
+++ b/drivers/filesystems/udfs/udf_info/mount.cpp
@@ -81,7 +81,7 @@ UDFPrepareXSpaceBitmap(
     LBS = Vcb->SectorSize;
 
     *XSl = sizeof(SPACE_BITMAP_DESC) + ((plen+7)>>3);
-    _XSBM = (int8*)DbgAllocatePool(NonPagedPool, (*XSl + BS - 1) & ~(BS-1) );
+    _XSBM = (int8*)DbgAllocatePool(PagedPool, (*XSl + BS - 1) & ~(BS-1) );
     *XSBM = _XSBM;
 
     switch (XSpaceBitmap->extLength >> 30) {
@@ -1643,7 +1643,7 @@ UDFAddXSpaceBitmap(
     i=UDFPartStart(Vcb, RefPartNum);
     flags = bm->extLength >> 30;
     if (!flags /*|| flags == EXTENT_NOT_RECORDED_ALLOCATED*/) {
-        tmp = (int8*)DbgAllocatePool(NonPagedPool, max(Length, Vcb->SectorSize));
+        tmp = (int8*)DbgAllocatePool(PagedPool, max(Length, Vcb->SectorSize));
         if (!tmp) return STATUS_INSUFFICIENT_RESOURCES;
         locAddr.partitionReferenceNum = (uint16)RefPartNum;
         locAddr.logicalBlockNum = bm->extPosition;
@@ -1723,7 +1723,7 @@ UDFVerifyXSpaceBitmap(
 //    i=UDFPartStart(Vcb, RefPartNum);
     flags = bm->extLength >> 30;
     if (!flags /*|| flags == EXTENT_NOT_RECORDED_ALLOCATED*/) {
-        tmp = (int8*)DbgAllocatePool(NonPagedPool, max(Length, Vcb->SectorSize));
+        tmp = (int8*)DbgAllocatePool(PagedPool, max(Length, Vcb->SectorSize));
         if (!tmp) return STATUS_INSUFFICIENT_RESOURCES;
         locAddr.partitionReferenceNum = (uint16)RefPartNum;
         locAddr.logicalBlockNum = bm->extPosition;
@@ -1964,13 +1964,13 @@ UDFBuildFreeSpaceBitmap(
 
     if (!(Vcb->FSBM_Bitmap)) {
         // init Bitmap buffer if necessary
-        Vcb->FSBM_Bitmap = (int8*)DbgAllocatePool(NonPagedPool, (i = (Vcb->LastPossibleLBA+1+7)>>3) );
+        Vcb->FSBM_Bitmap = (int8*)DbgAllocatePool(PagedPool, (i = (Vcb->LastPossibleLBA+1+7)>>3) );
         if (!(Vcb->FSBM_Bitmap)) return STATUS_INSUFFICIENT_RESOURCES;
 
         RtlZeroMemory(Vcb->FSBM_Bitmap, i);
 
 #ifdef UDF_TRACK_ONDISK_ALLOCATION_OWNERS
-        Vcb->FSBM_Bitmap_owners = (uint32*)DbgAllocatePool(NonPagedPool, (Vcb->LastPossibleLBA+1)*sizeof(uint32));
+        Vcb->FSBM_Bitmap_owners = (uint32*)DbgAllocatePool(PagedPool, (Vcb->LastPossibleLBA+1)*sizeof(uint32));
         if (!(Vcb->FSBM_Bitmap_owners)) {
             MyFreePool__(Vcb->ZSBM_Bitmap);
             Vcb->ZSBM_Bitmap = NULL;
@@ -2964,7 +2964,7 @@ UDFGetDiskInfoAndVerify(
 
         UDFLoadFileset(Vcb,FileSetDesc, &(Vcb->RootLbAddr), &(Vcb->SysStreamLbAddr));
 
-        Vcb->FSBM_OldBitmap = (int8*)DbgAllocatePool(NonPagedPool, Vcb->FSBM_ByteCount);
+        Vcb->FSBM_OldBitmap = (int8*)DbgAllocatePool(PagedPool, Vcb->FSBM_ByteCount);
         if (!(Vcb->FSBM_OldBitmap)) try_return(RC = STATUS_INSUFFICIENT_RESOURCES);
         RtlCopyMemory(Vcb->FSBM_OldBitmap, Vcb->FSBM_Bitmap, Vcb->FSBM_ByteCount);
 
@@ -2976,4 +2976,3 @@ try_exit:   NOTHING;
     return(RC);
 
 } // end UDFGetDiskInfoAndVerify()
-
diff --git a/drivers/filesystems/udfs/udf_info/udf_info.cpp b/drivers/filesystems/udfs/udf_info/udf_info.cpp
index e5d0b699e4947..eac196242cc8e 100644
--- a/drivers/filesystems/udfs/udf_info/udf_info.cpp
+++ b/drivers/filesystems/udfs/udf_info/udf_info.cpp
@@ -3698,7 +3698,7 @@ UDFLoadVAT(
         goto err_vat_15;
     }
     // read VAT & remember old version
-    Vcb->Vat = (uint32*)DbgAllocatePool(NonPagedPool, (Vcb->LastPossibleLBA+1)*sizeof(uint32) );
+    Vcb->Vat = (uint32*)DbgAllocatePool(PagedPool, (Vcb->LastPossibleLBA+1)*sizeof(uint32) );
     if (!Vcb->Vat) {
         goto err_vat_15_2;
     }