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authorShaokun Zhang <zhangshaokun@hisilicon.com>2019-02-14 12:33:49 +0300
committerBorislav Petkov <bp@suse.de>2019-02-14 19:09:43 +0300
commit8e8a3cea7ea5f5458fdf2287713626892e7715f5 (patch)
tree33507efcdb85ff3ddd15ad05a48aeb28612d0497 /arch/x86/mm
parent653a561bb2fd34e470594eb1bdba3357630e8df7 (diff)
downloadlinux-8e8a3cea7ea5f5458fdf2287713626892e7715f5.tar.xz
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
Diffstat (limited to 'arch/x86/mm')
-rw-r--r--arch/x86/mm/dump_pagetables.c2
1 files changed, 0 insertions, 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++;
}
}