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x86/mm/dump_pagetables: Remove the unused prev_pud variable

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The 'prev_pud' local variable became unused after commit

  04b67022fb ("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
This commit is contained in:
Shaokun Zhang 2019-02-14 17:33:49 +08:00 committed by Borislav Petkov
parent 653a561bb2
commit 8e8a3cea7e
1 changed files with 0 additions and 2 deletions
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2
arch/x86/mm/dump_pagetables.c
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@ -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++;
}
}