https://git.reactos.org/?p=reactos.git;a=commitdiff;h=708dc6b7d6c28447279025480885e3f608224694
commit 708dc6b7d6c28447279025480885e3f608224694 Author: Jérôme Gardou <[email protected]> AuthorDate: Mon Aug 2 17:06:35 2021 +0200 Commit: Jérôme Gardou <[email protected]> CommitDate: Wed Aug 4 17:48:39 2021 +0200 [NTOS:MM] Do not zero-fill pages when not needed --- ntoskrnl/mm/ARM3/pagfault.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/ntoskrnl/mm/ARM3/pagfault.c b/ntoskrnl/mm/ARM3/pagfault.c index 8d1ce33c399..a5dd04560d3 100644 --- a/ntoskrnl/mm/ARM3/pagfault.c +++ b/ntoskrnl/mm/ARM3/pagfault.c @@ -674,6 +674,11 @@ MiResolveDemandZeroFault(IN PVOID Address, PageFrameNumber = MiRemoveAnyPage(Color); NeedZero = TRUE; } + else + { + /* Page guaranteed to be zero-filled */ + NeedZero = FALSE; + } } else { @@ -688,6 +693,8 @@ MiResolveDemandZeroFault(IN PVOID Address, { /* System wants a zero page, obtain one */ PageFrameNumber = MiRemoveZeroPage(Color); + /* No need to zero-fill it */ + NeedZero = FALSE; } }
