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[NTOS:MM]

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- Add a way to generate a pool tag from the calling driver name if none is specified. Disabled by default.

svn path=/trunk/; revision=64889
This commit is contained in:
Thomas Faber 2014-10-22 13:26:50 +00:00
parent 2e4b0e9661
commit 6256673633
1 changed files with 20 additions and 5 deletions
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25
reactos/ntoskrnl/mm/ARM3/expool.c
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@ -2046,10 +2046,25 @@ NTAPI
ExAllocatePool(POOL_TYPE PoolType, ExAllocatePool(POOL_TYPE PoolType,
SIZE_T NumberOfBytes) SIZE_T NumberOfBytes)
{ {
// ULONG Tag = TAG_NONE;
// Use a default tag of "None" #if 0 && DBG
// PLDR_DATA_TABLE_ENTRY LdrEntry;
return ExAllocatePoolWithTag(PoolType, NumberOfBytes, TAG_NONE);
/* Use the first four letters of the driver name, or "None" if unavailable */
LdrEntry = KeGetCurrentIrql() <= APC_LEVEL
? MiLookupDataTableEntry(_ReturnAddress())
: NULL;
if (LdrEntry)
{
ULONG i;
Tag = 0;
for (i = 0; i < min(4, LdrEntry->BaseDllName.Length / sizeof(WCHAR)); i++)
Tag = Tag >> 8 | (LdrEntry->BaseDllName.Buffer[i] & 0xff) << 24;
for (; i < 4; i++)
Tag = Tag >> 8 | ' ' << 24;
}
#endif
return ExAllocatePoolWithTag(PoolType, NumberOfBytes, Tag);
} }
/* /*
@ -2513,7 +2528,7 @@ ExAllocatePoolWithQuota(IN POOL_TYPE PoolType,
// //
// Allocate the pool // Allocate the pool
// //
return ExAllocatePoolWithQuotaTag(PoolType, NumberOfBytes, 'enoN'); return ExAllocatePoolWithQuotaTag(PoolType, NumberOfBytes, TAG_NONE);
} }
/* /*