From abcdbd039e6823305c2841d07a352fbd2343564e Mon Sep 17 00:00:00 2001 From: Christophe Leroy Date: Sun, 27 Sep 2020 09:16:21 +0000 Subject: 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 Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/9d14540bd10832b6c9519d74fb5728fdc4974b36.1601197618.git.christophe.leroy@csgroup.eu --- arch/powerpc/kernel/vdso.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'arch/powerpc/kernel/vdso.c') 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; -- cgit v1.2.3-59-g8ed1b