Commit 57b2b72a authored by Nathan Chancellor's avatar Nathan Chancellor Committed by Masahiro Yamada
Browse files

mm, slab: Remove compiler check in __kmalloc_index 



The minimum supported version of LLVM has been raised to 11.0.0, meaning
this check is always true, so it can be dropped.

Signed-off-by: default avatarNathan Chancellor <nathan@kernel.org>
Reviewed-by: default avatarMiguel Ojeda <ojeda@kernel.org>
Reviewed-by: default avatarMark Brown <broonie@kernel.org>
Reviewed-by: default avatarNick Desaulniers <ndesaulniers@google.com>
Reviewed-by: default avatarKees Cook <keescook@chromium.org>
Signed-off-by: default avatarMasahiro Yamada <masahiroy@kernel.org>
parent df05c0e9

include/linux/slab.h

+1 −2
Original line number Diff line number Diff line
@@ -411,8 +411,7 @@ static __always_inline unsigned int __kmalloc_index(size_t size, 
	if (size <=  16 * 1024 * 1024) return 24;

	if (size <=  32 * 1024 * 1024) return 25;



	if ((IS_ENABLED(CONFIG_CC_IS_GCC) || CONFIG_CLANG_VERSION >= 110000)

	    && !IS_ENABLED(CONFIG_PROFILE_ALL_BRANCHES) && size_is_constant)

	if (!IS_ENABLED(CONFIG_PROFILE_ALL_BRANCHES) && size_is_constant)

		BUILD_BUG_ON_MSG(1, "unexpected size in kmalloc_index()");

	else

		BUG();