Messages in this thread Patch in this message | | | From | Christophe Leroy <> | Subject | [PATCH v1 04/30] powerpc/vdso: Remove get_page() in vdso_pagelist initialization | Date | Sun, 27 Sep 2020 09:16:21 +0000 (UTC) |
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Partly copied from commit 16fb1a9bec61 ("arm64: vdso: clean up vdso_pagelist initialization").
No need to get_page() the vdso text/data - these are part of the kernel image.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> --- arch/powerpc/kernel/vdso.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c index 6d106fcafb9e..dfaa4be258d2 100644 --- a/arch/powerpc/kernel/vdso.c +++ b/arch/powerpc/kernel/vdso.c @@ -748,7 +748,7 @@ static int __init vdso_init(void) BUG_ON(vdso32_pagelist == NULL); for (i = 0; i < vdso32_pages; i++) { struct page *pg = virt_to_page(vdso32_kbase + i*PAGE_SIZE); - get_page(pg); + vdso32_pagelist[i] = pg; } vdso32_pagelist[i++] = virt_to_page(vdso_data); @@ -761,15 +761,13 @@ static int __init vdso_init(void) BUG_ON(vdso64_pagelist == NULL); for (i = 0; i < vdso64_pages; i++) { struct page *pg = virt_to_page(vdso64_kbase + i*PAGE_SIZE); - get_page(pg); + vdso64_pagelist[i] = pg; } vdso64_pagelist[i++] = virt_to_page(vdso_data); vdso64_pagelist[i] = NULL; #endif /* CONFIG_PPC64 */ - get_page(virt_to_page(vdso_data)); - smp_wmb(); vdso_ready = 1; -- 2.25.0
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