From: Peter Zijlstra <peterz@infradead.org>
To: x86@kernel.org, willy@infradead.org
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
aarcange@redhat.com, kirill.shutemov@linux.intel.com,
jroedel@suse.de, peterz@infradead.org
Subject: [RFC][PATCH 3/9] sh/mm: Make pmd_t similar to pte_t
Date: Mon, 30 Nov 2020 12:27:08 +0100 [thread overview]
Message-ID: <20201130113602.959570640@infradead.org> (raw)
In-Reply-To: 20201130112705.900705277@infradead.org
Just like 64bit pte_t, have a low/high split in pmd_t.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
---
arch/sh/include/asm/pgtable-3level.h | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
--- a/arch/sh/include/asm/pgtable-3level.h
+++ b/arch/sh/include/asm/pgtable-3level.h
@@ -28,9 +28,15 @@
#define pmd_ERROR(e) \
printk("%s:%d: bad pmd %016llx.\n", __FILE__, __LINE__, pmd_val(e))
-typedef struct { unsigned long long pmd; } pmd_t;
+typedef struct {
+ struct {
+ unsigned long pmd_low;
+ unsigned long pmd_high;
+ };
+ unsigned long long pmd;
+} pmd_t;
#define pmd_val(x) ((x).pmd)
-#define __pmd(x) ((pmd_t) { (x) } )
+#define __pmd(x) ((pmd_t) { .pmd = (x) } )
static inline unsigned long pud_page_vaddr(pud_t pud)
{
next prev parent reply other threads:[~2020-11-30 11:40 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-30 11:27 [RFC][PATCH 0/9] Clean up i386-PAE Peter Zijlstra
2020-11-30 11:27 ` [RFC][PATCH 1/9] mm: Update ptep_get_lockless()s comment Peter Zijlstra
2020-11-30 11:27 ` [RFC][PATCH 2/9] x86/mm/pae: Make pmd_t similar to pte_t Peter Zijlstra
2020-11-30 11:27 ` Peter Zijlstra [this message]
2020-11-30 14:10 ` [RFC][PATCH 3/9] sh/mm: " David Laight
2020-11-30 14:21 ` Peter Zijlstra
2020-11-30 11:27 ` [RFC][PATCH 4/9] mm: Fix pmd_read_atomic() Peter Zijlstra
2020-11-30 11:27 ` [RFC][PATCH 5/9] mm: Rename pmd_read_atomic() Peter Zijlstra
2020-11-30 15:31 ` Jason Gunthorpe
2020-12-01 8:57 ` Peter Zijlstra
2020-11-30 11:27 ` [RFC][PATCH 6/9] mm/gup: Fix the lockless walkers Peter Zijlstra
2020-11-30 11:27 ` [RFC][PATCH 7/9] x86/mm/pae: Dont (ab)use atomic64 Peter Zijlstra
2020-11-30 11:27 ` [RFC][PATCH 8/9] x86/mm/pae: Use WRITE_ONCE() Peter Zijlstra
2020-11-30 11:27 ` [RFC][PATCH 9/9] x86/mm/pae: Be consistent with pXXp_get_and_clear() Peter Zijlstra
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