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x86/xen: remove redundant variable save_pud 

Variable save_pud is being assigned but is never used hence it is
redundant and can be removed.

Cleans up clang warning:
variable 'save_pud' set but not used [-Wunused-but-set-variable]

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
This commit is contained in:
Colin Ian King 2018-08-28 17:10:46 +01:00 committed by Boris Ostrovsky
parent 076e2cedd6
commit 6d3c8ce012
1 changed files with 0 additions and 2 deletions
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2
arch/x86/xen/mmu_pv.c
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@ -2059,7 +2059,6 @@ void __init xen_relocate_p2m(void)
pud_t *pud;
pgd_t *pgd;
unsigned long *new_p2m;
int save_pud;
size = PAGE_ALIGN(xen_start_info->nr_pages * sizeof(unsigned long));
n_pte = roundup(size, PAGE_SIZE) >> PAGE_SHIFT;
@ -2089,7 +2088,6 @@ void __init xen_relocate_p2m(void)
pgd = __va(read_cr3_pa());
new_p2m = (unsigned long *)(2 * PGDIR_SIZE);
save_pud = n_pud;
for (idx_pud = 0; idx_pud < n_pud; idx_pud++) {
pud = early_memremap(pud_phys, PAGE_SIZE);
clear_page(pud);