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[Xen-devel] [PATCH] x86/xen: remove redundant variable save_pud



From: Colin Ian King <colin.king@xxxxxxxxxxxxx>

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@xxxxxxxxxxxxx>
---
 arch/x86/xen/mmu_pv.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/x86/xen/mmu_pv.c b/arch/x86/xen/mmu_pv.c
index 06a814d44b9b..2fe5c9b1816b 100644
--- a/arch/x86/xen/mmu_pv.c
+++ b/arch/x86/xen/mmu_pv.c
@@ -2060,7 +2060,6 @@ 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;
@@ -2090,7 +2089,6 @@ 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);
-- 
2.17.1


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