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authorChristophe Leroy <christophe.leroy@csgroup.eu>2020-09-27 09:16:21 +0000
committerMichael Ellerman <mpe@ellerman.id.au>2020-12-04 01:01:15 +1100
commitabcdbd039e6823305c2841d07a352fbd2343564e (patch)
treeae42609f207fdbd2585d3ecf16aca1a02442a17c /arch/powerpc/kernel/vdso.c
parent1bb30b7a45976ae02d54fd43a8665e77314cc05e (diff)
powerpc/vdso: Remove get_page() in vdso_pagelist initialization
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> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/9d14540bd10832b6c9519d74fb5728fdc4974b36.1601197618.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/kernel/vdso.c')
-rw-r--r--arch/powerpc/kernel/vdso.c6
1 files 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;