diff options
| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2020-09-27 09:16:22 +0000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-12-04 01:01:15 +1100 |
| commit | 35c1c7c0bc354d8c3d55bea3bf3e239797980013 (patch) | |
| tree | e161fef50202b611ef967f2535b6ff4ebeb18aac /arch/powerpc/kernel | |
| parent | abcdbd039e6823305c2841d07a352fbd2343564e (diff) | |
powerpc/vdso: Remove NULL termination element in vdso_pagelist
No need of a NULL last element in pagelists, install_special_mapping()
knows how long the list is.
Remove that element.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/e58d95ab859e3cbc9bae3c9ce2959e17d2864f5d.1601197618.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/kernel')
| -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 dfaa4be258d2..d2c08f5de587 100644 --- a/arch/powerpc/kernel/vdso.c +++ b/arch/powerpc/kernel/vdso.c @@ -743,7 +743,7 @@ static int __init vdso_init(void) #ifdef CONFIG_VDSO32 /* Make sure pages are in the correct state */ - vdso32_pagelist = kcalloc(vdso32_pages + 2, sizeof(struct page *), + vdso32_pagelist = kcalloc(vdso32_pages + 1, sizeof(struct page *), GFP_KERNEL); BUG_ON(vdso32_pagelist == NULL); for (i = 0; i < vdso32_pages; i++) { @@ -752,11 +752,10 @@ static int __init vdso_init(void) vdso32_pagelist[i] = pg; } vdso32_pagelist[i++] = virt_to_page(vdso_data); - vdso32_pagelist[i] = NULL; #endif #ifdef CONFIG_PPC64 - vdso64_pagelist = kcalloc(vdso64_pages + 2, sizeof(struct page *), + vdso64_pagelist = kcalloc(vdso64_pages + 1, sizeof(struct page *), GFP_KERNEL); BUG_ON(vdso64_pagelist == NULL); for (i = 0; i < vdso64_pages; i++) { @@ -765,7 +764,6 @@ static int __init vdso_init(void) vdso64_pagelist[i] = pg; } vdso64_pagelist[i++] = virt_to_page(vdso_data); - vdso64_pagelist[i] = NULL; #endif /* CONFIG_PPC64 */ smp_wmb(); |