The quilt patch titled
Subject: mm-arch-add-generic-implementation-of-pfn_valid-for-flatmem-fix
has been removed from the -mm tree. Its filename was
mm-arch-add-generic-implementation-of-pfn_valid-for-flatmem-fix.patch
This patch was dropped because it was folded into mm-arch-add-generic-implementation-of-pfn_valid-for-flatmem.patch
------------------------------------------------------
From: Mike Rapoport <rppt@xxxxxxxxxx>
Subject: mm-arch-add-generic-implementation-of-pfn_valid-for-flatmem-fix
Date: Tue, 31 Jan 2023 20:41:49 +0200
The generic pfn_valid() does not take into account pfn_offset when it
compares it with max_mapnr.
Link: https://lkml.kernel.org/r/Y9lg7R1Yd931C+y5@xxxxxxxxxx
Signed-off-by: Mike Rapoport <rppt@xxxxxxxxxx>
Reported-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
Tested-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
--- a/include/asm-generic/memory_model.h~mm-arch-add-generic-implementation-of-pfn_valid-for-flatmem-fix
+++ a/include/asm-generic/memory_model.h
@@ -26,7 +26,7 @@ static inline int pfn_valid(unsigned lon
extern unsigned long max_mapnr;
unsigned long pfn_offset = ARCH_PFN_OFFSET;
- return pfn >= pfn_offset && pfn < max_mapnr;
+ return pfn >= pfn_offset && (pfn - pfn_offset) < max_mapnr;
}
#define pfn_valid pfn_valid
#endif
_
Patches currently in -mm which might be from rppt@xxxxxxxxxx are
arm-include-asm-generic-memory_modelh-from-pageh-rather-than-memoryh.patch
m68k-use-asm-generic-memory_modelh-for-both-mmu-and-mmu.patch
mips-drop-definition-of-pfn_valid-for-discontigmem.patch
mm-arch-add-generic-implementation-of-pfn_valid-for-flatmem.patch
