Messages in this thread Patch in this message |  | | From | Josh Poimboeuf <> | Subject | [PATCH 1/2] x86/mm/kaiser: Remove unused user-mapped page-aligned section | Date | Mon, 27 Nov 2017 22:10:12 -0600 |
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The '.data..percpu..user_mapped..page_aligned' section isn't used anywhere. Remove it and its related macros.
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> --- include/asm-generic/vmlinux.lds.h | 2 -- include/linux/percpu-defs.h | 10 ---------- 2 files changed, 12 deletions(-)
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index e12168936d3f..386f8846d9e9 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -831,8 +831,6 @@ . = ALIGN(cacheline); \ *(.data..percpu..user_mapped) \ *(.data..percpu..user_mapped..shared_aligned) \ - . = ALIGN(PAGE_SIZE); \ - *(.data..percpu..user_mapped..page_aligned) \ VMLINUX_SYMBOL(__per_cpu_user_mapped_end) = .; \ . = ALIGN(PAGE_SIZE); \ *(.data..percpu..page_aligned) \ diff --git a/include/linux/percpu-defs.h b/include/linux/percpu-defs.h index 752513674295..40ea19ccf1ec 100644 --- a/include/linux/percpu-defs.h +++ b/include/linux/percpu-defs.h @@ -182,16 +182,6 @@ #define DEFINE_PER_CPU_PAGE_ALIGNED(type, name) \ DEFINE_PER_CPU_SECTION(type, name, "..page_aligned") \ __aligned(PAGE_SIZE) -/* - * Declaration/definition used for per-CPU variables that must be page aligned and need to be mapped in user mode. - */ -#define DECLARE_PER_CPU_PAGE_ALIGNED_USER_MAPPED(type, name) \ - DECLARE_PER_CPU_SECTION(type, name, USER_MAPPED_SECTION"..page_aligned") \ - __aligned(PAGE_SIZE) - -#define DEFINE_PER_CPU_PAGE_ALIGNED_USER_MAPPED(type, name) \ - DEFINE_PER_CPU_SECTION(type, name, USER_MAPPED_SECTION"..page_aligned") \ - __aligned(PAGE_SIZE) /* * Declaration/definition used for per-CPU variables that must be read mostly. -- 2.13.6
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