[PATCH v1 2/9] powerpc/vdso: Remove get_page() in vdso_pagelist initialization

[Christophe Leroy]

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.le...@csgroup.eu>
---
 arch/powerpc/kernel/vdso.c | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
index 88a4a02ed4c4..3bc4d5b1980b 100644
--- a/arch/powerpc/kernel/vdso.c
+++ b/arch/powerpc/kernel/vdso.c
@@ -757,11 +757,9 @@ static int __init vdso_init(void)
        if (!vdso32_pagelist)
                goto alloc_failed;
 
-       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;
-       }
+       for (i = 0; i < vdso32_pages; i++)
+               vdso32_pagelist[i] = virt_to_page(vdso32_kbase + i * PAGE_SIZE);
+
        vdso32_pagelist[i++] = virt_to_page(vdso_data);
        vdso32_pagelist[i] = NULL;
 #endif
@@ -772,17 +770,13 @@ static int __init vdso_init(void)
        if (!vdso64_pagelist)
                goto alloc_failed;
 
-       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;
-       }
+       for (i = 0; i < vdso64_pages; i++)
+               vdso64_pagelist[i] = virt_to_page(vdso64_kbase + i * PAGE_SIZE);
+
        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