diff options
Diffstat (limited to 'arch/powerpc/kernel/vdso.c')
| -rw-r--r-- | arch/powerpc/kernel/vdso.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c index ad06d5c75b15..3faaf29bdb29 100644 --- a/arch/powerpc/kernel/vdso.c +++ b/arch/powerpc/kernel/vdso.c @@ -1,3 +1,4 @@ + /* * Copyright (C) 2004 Benjamin Herrenschmidt, IBM Corp. * <benh@kernel.crashing.org> @@ -74,7 +75,7 @@ static int vdso_ready; static union { struct vdso_data data; u8 page[PAGE_SIZE]; -} vdso_data_store __attribute__((__section__(".data.page_aligned"))); +} vdso_data_store __page_aligned_data; struct vdso_data *vdso_data = &vdso_data_store.data; /* Format of the patch table */ @@ -203,7 +204,12 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) } else { vdso_pagelist = vdso64_pagelist; vdso_pages = vdso64_pages; - vdso_base = VDSO64_MBASE; + /* + * On 64bit we don't have a preferred map address. This + * allows get_unmapped_area to find an area near other mmaps + * and most likely share a SLB entry. + */ + vdso_base = 0; } #else vdso_pagelist = vdso32_pagelist; |