Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86 ACPI: fix breakage of resume on 64-bit UP systems with SMP kernel Introduce is_vmalloc_or_module_addr() and use with DEBUG_VIRTUAL
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b9d7ccf56b
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@ -10,6 +10,7 @@
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#include <linux/dmi.h>
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#include <linux/cpumask.h>
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#include <asm/segment.h>
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#include <asm/desc.h>
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#include "realmode/wakeup.h"
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#include "sleep.h"
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@ -98,6 +99,8 @@ int acpi_save_state_mem(void)
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header->trampoline_segment = setup_trampoline() >> 4;
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#ifdef CONFIG_SMP
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stack_start.sp = temp_stack + 4096;
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early_gdt_descr.address =
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(unsigned long)get_cpu_gdt_table(smp_processor_id());
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#endif
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initial_code = (unsigned long)wakeup_long64;
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saved_magic = 0x123456789abcdef0;
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18
mm/vmalloc.c
18
mm/vmalloc.c
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@ -175,6 +175,21 @@ static int vmap_page_range(unsigned long addr, unsigned long end,
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return nr;
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}
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static inline int is_vmalloc_or_module_addr(const void *x)
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{
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/*
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* x86-64 and sparc64 put modules in a special place,
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* and fall back on vmalloc() if that fails. Others
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* just put it in the vmalloc space.
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*/
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#if defined(CONFIG_MODULES) && defined(MODULES_VADDR)
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unsigned long addr = (unsigned long)x;
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if (addr >= MODULES_VADDR && addr < MODULES_END)
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return 1;
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#endif
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return is_vmalloc_addr(x);
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}
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/*
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* Walk a vmap address to the struct page it maps.
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*/
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@ -188,8 +203,7 @@ struct page *vmalloc_to_page(const void *vmalloc_addr)
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* XXX we might need to change this if we add VIRTUAL_BUG_ON for
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* architectures that do not vmalloc module space
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*/
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VIRTUAL_BUG_ON(!is_vmalloc_addr(vmalloc_addr) &&
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!is_module_address(addr));
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VIRTUAL_BUG_ON(!is_vmalloc_or_module_addr(vmalloc_addr));
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if (!pgd_none(*pgd)) {
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pud_t *pud = pud_offset(pgd, addr);
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