mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-22 15:02:32 +00:00
4fa9ec125a
All patches automatically rebased. Build system: x86_64 Build-tested: bcm2711/RPi4B, ramips/tplink_archer-a6-v3, filogic/xiaomi_redmi-router-ax6000-ubootmod Run-tested: bcm2711/RPi4B, ramips/tplink_archer-a6-v3, filogic/xiaomi_redmi-router-ax6000-ubootmod Signed-off-by: John Audia <therealgraysky@proton.me>
97 lines
3.0 KiB
Diff
97 lines
3.0 KiB
Diff
From c5ec455ebd2b488d91de9d8915a0c8036a2a04dd Mon Sep 17 00:00:00 2001
|
|
From: Juergen Gross <jgross@suse.com>
|
|
Date: Wed, 30 Nov 2022 14:49:41 -0800
|
|
Subject: [PATCH 17/29] mm: add dummy pmd_young() for architectures not having
|
|
it
|
|
|
|
In order to avoid #ifdeffery add a dummy pmd_young() implementation as a
|
|
fallback. This is required for the later patch "mm: introduce
|
|
arch_has_hw_nonleaf_pmd_young()".
|
|
|
|
Link: https://lkml.kernel.org/r/fd3ac3cd-7349-6bbd-890a-71a9454ca0b3@suse.com
|
|
Signed-off-by: Juergen Gross <jgross@suse.com>
|
|
Acked-by: Yu Zhao <yuzhao@google.com>
|
|
Cc: Borislav Petkov <bp@alien8.de>
|
|
Cc: Dave Hansen <dave.hansen@linux.intel.com>
|
|
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
|
|
Cc: "H. Peter Anvin" <hpa@zytor.com>
|
|
Cc: Ingo Molnar <mingo@redhat.com>
|
|
Cc: Sander Eikelenboom <linux@eikelenboom.it>
|
|
Cc: Thomas Gleixner <tglx@linutronix.de>
|
|
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
|
|
---
|
|
arch/mips/include/asm/pgtable.h | 1 +
|
|
arch/riscv/include/asm/pgtable.h | 1 +
|
|
arch/s390/include/asm/pgtable.h | 1 +
|
|
arch/sparc/include/asm/pgtable_64.h | 1 +
|
|
arch/x86/include/asm/pgtable.h | 1 +
|
|
include/linux/pgtable.h | 7 +++++++
|
|
6 files changed, 12 insertions(+)
|
|
|
|
--- a/arch/mips/include/asm/pgtable.h
|
|
+++ b/arch/mips/include/asm/pgtable.h
|
|
@@ -632,6 +632,7 @@ static inline pmd_t pmd_mkdirty(pmd_t pm
|
|
return pmd;
|
|
}
|
|
|
|
+#define pmd_young pmd_young
|
|
static inline int pmd_young(pmd_t pmd)
|
|
{
|
|
return !!(pmd_val(pmd) & _PAGE_ACCESSED);
|
|
--- a/arch/riscv/include/asm/pgtable.h
|
|
+++ b/arch/riscv/include/asm/pgtable.h
|
|
@@ -535,6 +535,7 @@ static inline int pmd_dirty(pmd_t pmd)
|
|
return pte_dirty(pmd_pte(pmd));
|
|
}
|
|
|
|
+#define pmd_young pmd_young
|
|
static inline int pmd_young(pmd_t pmd)
|
|
{
|
|
return pte_young(pmd_pte(pmd));
|
|
--- a/arch/s390/include/asm/pgtable.h
|
|
+++ b/arch/s390/include/asm/pgtable.h
|
|
@@ -748,6 +748,7 @@ static inline int pmd_dirty(pmd_t pmd)
|
|
return (pmd_val(pmd) & _SEGMENT_ENTRY_DIRTY) != 0;
|
|
}
|
|
|
|
+#define pmd_young pmd_young
|
|
static inline int pmd_young(pmd_t pmd)
|
|
{
|
|
return (pmd_val(pmd) & _SEGMENT_ENTRY_YOUNG) != 0;
|
|
--- a/arch/sparc/include/asm/pgtable_64.h
|
|
+++ b/arch/sparc/include/asm/pgtable_64.h
|
|
@@ -712,6 +712,7 @@ static inline unsigned long pmd_dirty(pm
|
|
return pte_dirty(pte);
|
|
}
|
|
|
|
+#define pmd_young pmd_young
|
|
static inline unsigned long pmd_young(pmd_t pmd)
|
|
{
|
|
pte_t pte = __pte(pmd_val(pmd));
|
|
--- a/arch/x86/include/asm/pgtable.h
|
|
+++ b/arch/x86/include/asm/pgtable.h
|
|
@@ -136,6 +136,7 @@ static inline int pmd_dirty(pmd_t pmd)
|
|
return pmd_flags(pmd) & _PAGE_DIRTY;
|
|
}
|
|
|
|
+#define pmd_young pmd_young
|
|
static inline int pmd_young(pmd_t pmd)
|
|
{
|
|
return pmd_flags(pmd) & _PAGE_ACCESSED;
|
|
--- a/include/linux/pgtable.h
|
|
+++ b/include/linux/pgtable.h
|
|
@@ -164,6 +164,13 @@ static inline pte_t *virt_to_kpte(unsign
|
|
return pmd_none(*pmd) ? NULL : pte_offset_kernel(pmd, vaddr);
|
|
}
|
|
|
|
+#ifndef pmd_young
|
|
+static inline int pmd_young(pmd_t pmd)
|
|
+{
|
|
+ return 0;
|
|
+}
|
|
+#endif
|
|
+
|
|
#ifndef __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
|
|
extern int ptep_set_access_flags(struct vm_area_struct *vma,
|
|
unsigned long address, pte_t *ptep,
|