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| author | Will Deacon <will.deacon@arm.com> | 2018-09-05 17:34:43 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-08-04 10:32:00 +0300 |
| commit | 6932a1265022e9b1c18a5dea366839dfbf40212a (patch) | |
| tree | 5c8348a350d6589eecd3bc4ad6944dcc86a86fe5 /arch | |
| parent | 8dc41ad60b6fcd99b9cd904342a1dfb738013deb (diff) | |
| download | linux-6932a1265022e9b1c18a5dea366839dfbf40212a.tar.xz | |
arm64: compat: Provide definition for COMPAT_SIGMINSTKSZ
commit 24951465cbd279f60b1fdc2421b3694405bcff42 upstream.
arch/arm/ defines a SIGMINSTKSZ of 2k, so we should use the same value
for compat tasks.
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Oleg Nesterov <oleg@redhat.com>
Reviewed-by: Dave Martin <Dave.Martin@arm.com>
Reported-by: Steve McIntyre <steve.mcintyre@arm.com>
Tested-by: Steve McIntyre <93sam@debian.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/include/asm/compat.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/compat.h b/arch/arm64/include/asm/compat.h index a3c7f271ad4c..9ed290a9811c 100644 --- a/arch/arm64/include/asm/compat.h +++ b/arch/arm64/include/asm/compat.h @@ -234,6 +234,7 @@ static inline compat_uptr_t ptr_to_compat(void __user *uptr) } #define compat_user_stack_pointer() (user_stack_pointer(task_pt_regs(current))) +#define COMPAT_MINSIGSTKSZ 2048 static inline void __user *arch_compat_alloc_user_space(long len) { |