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x86_64: fix arch_vma_name

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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>
This commit is contained in:
Roland McGrath 2007-07-26 10:41:12 -07:00 • committed by Linus Torvalds
parent 26b97237f7
commit 2ebc3cc920
2 changed files with 3 additions and 10 deletions
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5
arch/x86_64/ia32/ia32_binfmt.c
View file

@ -41,8 +41,9 @@ int sysctl_vsyscall32 = 1;
#undef ARCH_DLINFO #undef ARCH_DLINFO
#define ARCH_DLINFO do { \ #define ARCH_DLINFO do { \
if (sysctl_vsyscall32) { \ if (sysctl_vsyscall32) { \
NEW_AUX_ENT(AT_SYSINFO, (u32)(u64)VSYSCALL32_VSYSCALL); \ current->mm->context.vdso = (void *)VSYSCALL32_BASE; \
NEW_AUX_ENT(AT_SYSINFO_EHDR, VSYSCALL32_BASE); \ NEW_AUX_ENT(AT_SYSINFO, (u32)(u64)VSYSCALL32_VSYSCALL); \
NEW_AUX_ENT(AT_SYSINFO_EHDR, VSYSCALL32_BASE); \
} \ } \
} while(0) } while(0)

8
arch/x86_64/ia32/syscall32.c
View file

@ -49,14 +49,6 @@ int syscall32_setup_pages(struct linux_binprm *bprm, int exstack)
return ret; return ret;
} }
const char *arch_vma_name(struct vm_area_struct *vma)
{
if (vma->vm_start == VSYSCALL32_BASE &&
vma->vm_mm && vma->vm_mm->task_size == IA32_PAGE_OFFSET)
return "[vdso]";
return NULL;
}
static int __init init_syscall32(void) static int __init init_syscall32(void)
{ {
char *syscall32_page = (void *)get_zeroed_page(GFP_KERNEL); char *syscall32_page = (void *)get_zeroed_page(GFP_KERNEL);