diff options
Diffstat (limited to 'MdeModulePkg/MdeModulePkg.dec')
| -rw-r--r-- | MdeModulePkg/MdeModulePkg.dec | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec index a2cd83345f..a82dedc070 100644 --- a/MdeModulePkg/MdeModulePkg.dec +++ b/MdeModulePkg/MdeModulePkg.dec @@ -1027,6 +1027,11 @@ # free pages for all of them. The page allocation for the type related to
# cleared bits keeps the same as ususal.
#
+ # The heap guard system only supports guarding EfiRuntimeServicesCode, EfiRuntimeServicesData,
+ # EfiReservedMemoryType, and EfiACPIMemoryNVS memory types for systems that have
+ # RUNTIME_PAGE_ALLOCATION_GRANULARITY == EFI_PAGE_SIZE. This is to preserve alignment requirements
+ # without extending the page guard size to very large granularities.
+ #
# This PCD is only valid if BIT0 and/or BIT2 are set in PcdHeapGuardPropertyMask.
#
# Below is bit mask for this PCD: (Order is same as UEFI spec)<BR>
@@ -1058,6 +1063,11 @@ # if there's enough free memory for all of them. The pool allocation for the
# type related to cleared bits keeps the same as ususal.
#
+ # The heap guard system only supports guarding EfiRuntimeServicesCode, EfiRuntimeServicesData,
+ # EfiReservedMemoryType, and EfiACPIMemoryNVS memory types for systems that have
+ # RUNTIME_PAGE_ALLOCATION_GRANULARITY == EFI_PAGE_SIZE. This is to preserve alignment requirements
+ # without extending the page guard size to very large granularities.
+ #
# This PCD is only valid if BIT1 and/or BIT3 are set in PcdHeapGuardPropertyMask.
#
# Below is bit mask for this PCD: (Order is same as UEFI spec)<BR>
|