* [PATCH] x86/mm/dump_pagetables: Remove the unused prev_pud variable
@ 2019-02-14 9:33 Shaokun Zhang
2019-02-14 16:16 ` [tip:x86/cleanups] " tip-bot for Shaokun Zhang
0 siblings, 1 reply; 2+ messages in thread
From: Shaokun Zhang @ 2019-02-14 9:33 UTC (permalink / raw)
To: x86, linux-kernel
Cc: Shaokun Zhang, Dave Hansen, Andy Lutomirski, Peter Zijlstra,
Thomas Gleixner, Ingo Molnar, Borislav Petkov, H. Peter Anvin,
Andrey Ryabinin
The 'prev_pud' local variable became unused after commit 04b67022fb6d
("x86/mm/dump_pagetables: Speed up page tables dump for CONFIG_KASAN=y"),
let's remove it.
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
---
arch/x86/mm/dump_pagetables.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/arch/x86/mm/dump_pagetables.c b/arch/x86/mm/dump_pagetables.c
index e3cdc85ce5b6..ee8f8ab46941 100644
--- a/arch/x86/mm/dump_pagetables.c
+++ b/arch/x86/mm/dump_pagetables.c
@@ -444,7 +444,6 @@ static void walk_pud_level(struct seq_file *m, struct pg_state *st, p4d_t addr,
int i;
pud_t *start, *pud_start;
pgprotval_t prot, eff;
- pud_t *prev_pud = NULL;
pud_start = start = (pud_t *)p4d_page_vaddr(addr);
@@ -462,7 +461,6 @@ static void walk_pud_level(struct seq_file *m, struct pg_state *st, p4d_t addr,
} else
note_page(m, st, __pgprot(0), 0, 3);
- prev_pud = start;
start++;
}
}
--
2.7.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [tip:x86/cleanups] x86/mm/dump_pagetables: Remove the unused prev_pud variable
2019-02-14 9:33 [PATCH] x86/mm/dump_pagetables: Remove the unused prev_pud variable Shaokun Zhang
@ 2019-02-14 16:16 ` tip-bot for Shaokun Zhang
0 siblings, 0 replies; 2+ messages in thread
From: tip-bot for Shaokun Zhang @ 2019-02-14 16:16 UTC (permalink / raw)
To: linux-tip-commits
Cc: linux-kernel, mingo, dave.hansen, luto, peterz, aryabinin, mingo,
tglx, hpa, bp, zhangshaokun, x86
Commit-ID: 8e8a3cea7ea5f5458fdf2287713626892e7715f5
Gitweb: https://git.kernel.org/tip/8e8a3cea7ea5f5458fdf2287713626892e7715f5
Author: Shaokun Zhang <zhangshaokun@hisilicon.com>
AuthorDate: Thu, 14 Feb 2019 17:33:49 +0800
Committer: Borislav Petkov <bp@suse.de>
CommitDate: Thu, 14 Feb 2019 17:09:43 +0100
x86/mm/dump_pagetables: Remove the unused prev_pud variable
The 'prev_pud' local variable became unused after commit
04b67022fb6d ("x86/mm/dump_pagetables: Speed up page tables dump for CONFIG_KASAN=y").
Remove it.
Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: x86-ml <x86@kernel.org>
Link: https://lkml.kernel.org/r/1550136829-49088-1-git-send-email-zhangshaokun@hisilicon.com
---
arch/x86/mm/dump_pagetables.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/arch/x86/mm/dump_pagetables.c b/arch/x86/mm/dump_pagetables.c
index e3cdc85ce5b6..ee8f8ab46941 100644
--- a/arch/x86/mm/dump_pagetables.c
+++ b/arch/x86/mm/dump_pagetables.c
@@ -444,7 +444,6 @@ static void walk_pud_level(struct seq_file *m, struct pg_state *st, p4d_t addr,
int i;
pud_t *start, *pud_start;
pgprotval_t prot, eff;
- pud_t *prev_pud = NULL;
pud_start = start = (pud_t *)p4d_page_vaddr(addr);
@@ -462,7 +461,6 @@ static void walk_pud_level(struct seq_file *m, struct pg_state *st, p4d_t addr,
} else
note_page(m, st, __pgprot(0), 0, 3);
- prev_pud = start;
start++;
}
}
^ permalink raw reply related [flat|nested] 2+ messages in thread
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2019-02-14 9:33 [PATCH] x86/mm/dump_pagetables: Remove the unused prev_pud variable Shaokun Zhang
2019-02-14 16:16 ` [tip:x86/cleanups] " tip-bot for Shaokun Zhang
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