[ros-diffs] [reactos] 13/14: [NTOS:MM] Fix a bug in MiBuildPfnDatabase MxPfnAllocation is in pages, not in bytes!

[Timo Kreuzer]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=12e2c48a25240c05b73dc…

commit 12e2c48a25240c05b73dcec86ce8ae9370b59b1c
Author: Timo Kreuzer <timo.kreuzer(a)reactos.org>
AuthorDate: Tue Dec 19 15:17:35 2017 +0100

    [NTOS:MM] Fix a bug in MiBuildPfnDatabase
    MxPfnAllocation is in pages, not in bytes!
---
 ntoskrnl/mm/amd64/init.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ntoskrnl/mm/amd64/init.c b/ntoskrnl/mm/amd64/init.c
index 2acdf596e6..1f912623a2 100644
--- a/ntoskrnl/mm/amd64/init.c
+++ b/ntoskrnl/mm/amd64/init.c
@@ -610,9 +610,9 @@ MiBuildPfnDatabase(IN PLOADER_PARAMETER_BLOCK LoaderBlock)
 
     /* Map the PDEs and PPEs for the pfn database (ignore holes) */
 #if (_MI_PAGING_LEVELS >= 3)
-    MiMapPPEs(MmPfnDatabase, (PUCHAR)MmPfnDatabase + MxPfnAllocation - 1);
+    MiMapPPEs(MmPfnDatabase, (PUCHAR)MmPfnDatabase + (MxPfnAllocation * PAGE_SIZE) - 1);
 #endif
-    MiMapPDEs(MmPfnDatabase, (PUCHAR)MmPfnDatabase + MxPfnAllocation - 1);
+    MiMapPDEs(MmPfnDatabase, (PUCHAR)MmPfnDatabase + (MxPfnAllocation * PAGE_SIZE) - 1);
 
     /* First initialize the color tables */
     MiInitializeColorTables();