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| author |   Christophe Leroy <christophe.leroy@csgroup.eu> | 2020-09-27 09:16:21 +0000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2020-12-04 01:01:15 +1100 |
| commit | abcdbd039e6823305c2841d07a352fbd2343564e (patch) | |
| tree | ae42609f207fdbd2585d3ecf16aca1a02442a17c /arch/powerpc/kernel/vdso.c | |
| parent | powerpc/vdso: Rename syscall_map_32/64 to simplify vdso_setup_syscall_map() (diff) | |
| download | linux-dev-abcdbd039e6823305c2841d07a352fbd2343564e.tar.xz linux-dev-abcdbd039e6823305c2841d07a352fbd2343564e.zip | |
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.c | 6 |
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; |