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x86_64: fix arch_vma_name
The function arch_vma_name() is declared weak and thus it was not noticed that x86_64 had two almost identical implementations. It was introduced in syscall32.c by:c633090e31
It was introduced in mm/init.c by:2aae950b21
Signed-off-by: Roland McGrath <roland@redhat.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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parent
26b97237f7
commit
2ebc3cc920
2 changed files with 3 additions and 10 deletions
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@ -41,8 +41,9 @@ int sysctl_vsyscall32 = 1;
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#undef ARCH_DLINFO
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#define ARCH_DLINFO do { \
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if (sysctl_vsyscall32) { \
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NEW_AUX_ENT(AT_SYSINFO, (u32)(u64)VSYSCALL32_VSYSCALL); \
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NEW_AUX_ENT(AT_SYSINFO_EHDR, VSYSCALL32_BASE); \
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current->mm->context.vdso = (void *)VSYSCALL32_BASE; \
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NEW_AUX_ENT(AT_SYSINFO, (u32)(u64)VSYSCALL32_VSYSCALL); \
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NEW_AUX_ENT(AT_SYSINFO_EHDR, VSYSCALL32_BASE); \
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} \
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} while(0)
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@ -49,14 +49,6 @@ int syscall32_setup_pages(struct linux_binprm *bprm, int exstack)
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return ret;
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}
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const char *arch_vma_name(struct vm_area_struct *vma)
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{
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if (vma->vm_start == VSYSCALL32_BASE &&
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vma->vm_mm && vma->vm_mm->task_size == IA32_PAGE_OFFSET)
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return "[vdso]";
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return NULL;
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}
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static int __init init_syscall32(void)
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{
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char *syscall32_page = (void *)get_zeroed_page(GFP_KERNEL);
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