CcSetAdditionalCacheAttributesEx function (ntifs.h)

Article
02/22/2024

Call the CcSetAdditionalCacheAttributesEx routine to enable extended cache behavior on a cached file.

Syntax

void CcSetAdditionalCacheAttributesEx(
  [in] PFILE_OBJECT FileObject,
  [in] ULONG        Flags
);

Parameters

[in] FileObject

Pointer to a file object for the cached file.

[in] Flags

Behavior flags to set for FileObject. Currently, only the AGGRESSIVE_UNMAP_BEHIND flag is available. Setting this flag will allow the cache manager to optimize memory usage when modified writes are disabled for a file object.

Return value

None

Remarks

CcSetAdditionalCacheAttributesEx can be called any time after calling CcInitializeCacheMap.

Requirements

Requirement	Value
Minimum supported client	Windows 8
Target Platform	Universal
Header	ntifs.h (include Ntifs.h)
Library	NtosKrnl.lib
DLL	NtosKrnl.exe
IRQL	<= APC_LEVEL

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