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powerpc/mm: fix "section_base" set but not used

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The commit 24b6d41643 ("mm: pass the vmem_altmap to vmemmap_free")
removed a line in vmemmap_free(),

altmap = to_vmem_altmap((unsigned long) section_base);

but left a variable no longer used.

arch/powerpc/mm/init_64.c: In function 'vmemmap_free':
arch/powerpc/mm/init_64.c:277:16: error: variable 'section_base' set but
not used [-Werror=unused-but-set-variable]

Signed-off-by: Qian Cai <cai@lca.pw>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Qian Cai
2019-03-01 09:20:40 -05:00
committed by Michael Ellerman
parent 8132cf115e
commit c38ca26552
1 changed files with 0 additions and 2 deletions
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2
arch/powerpc/mm/init_64.c
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@@ -274,7 +274,6 @@ void __ref vmemmap_free(unsigned long start, unsigned long end,
for (; start < end; start += page_size) {
unsigned long nr_pages, addr;
struct page *section_base;
struct page *page;
/*
@@ -290,7 +289,6 @@ void __ref vmemmap_free(unsigned long start, unsigned long end,
continue;
page = pfn_to_page(addr >> PAGE_SHIFT);
section_base = pfn_to_page(vmemmap_section_start(start));
nr_pages = 1 << page_order;
base_pfn = PHYS_PFN(addr);