From: Fang Lijun fanglijun3@huawei.com
ascend inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I4EUVI CVE: NA
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arch_vmap_p4d_supported arch_vmap_pud_supported arch_vmap_pmd_supported redefined when disable CONFIG_HAVE_ARCH_HUGE_VMAP on x86.
Fixes: 396a313c1a6a ("mm: HUGE_VMAP arch support cleanup") Signed-off-by: Fang Lijun fanglijun3@huawei.com Reviewed-by: Ding Tianhong dingtianhong@huawei.com Signed-off-by: Yang Yingliang yangyingliang@huawei.com Reviewed-by: Weilong Chen chenweilong@huawei.com Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- arch/x86/mm/ioremap.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index 944de9aaa0cd5..e788c58994150 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -431,6 +431,7 @@ void iounmap(volatile void __iomem *addr) } EXPORT_SYMBOL(iounmap);
+#ifdef CONFIG_HAVE_ARCH_HUGE_VMAP bool arch_vmap_p4d_supported(pgprot_t prot) { return false; @@ -449,6 +450,7 @@ bool arch_vmap_pmd_supported(pgprot_t prot) { return boot_cpu_has(X86_FEATURE_PSE); } +#endif
/* * Convert a physical pointer to a virtual kernel pointer for /dev/mem