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| author | Tejun Heo <tj@kernel.org> | 2011-01-25 14:27:38 +0100 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2011-01-25 14:27:38 +0100 |
| commit | 0f06c063628689de5eab5dfb3ce9c797a09db900 (patch) | |
| tree | 8bd89fdef472562e966f9a78b03f8d357ec1c707 /arch/alpha/kernel | |
| parent | percpu: align percpu readmostly subsection to cacheline (diff) | |
| download | linux-0f06c063628689de5eab5dfb3ce9c797a09db900.tar.xz linux-0f06c063628689de5eab5dfb3ce9c797a09db900.zip | |
alpha: use L1_CACHE_BYTES for cacheline size in the linker script
Currently the linker script uses 64 for cacheline size which isn't
optimal for all cases. Include asm/cache.h and use L1_CACHE_BYTES
instead as suggested by Sam Ravnborg.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'arch/alpha/kernel')
| -rw-r--r-- | arch/alpha/kernel/vmlinux.lds.S | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/alpha/kernel/vmlinux.lds.S b/arch/alpha/kernel/vmlinux.lds.S index 173518f8c8bb..433be2a24f31 100644 --- a/arch/alpha/kernel/vmlinux.lds.S +++ b/arch/alpha/kernel/vmlinux.lds.S @@ -1,5 +1,6 @@ #include <asm-generic/vmlinux.lds.h> #include <asm/thread_info.h> +#include <asm/cache.h> #include <asm/page.h> OUTPUT_FORMAT("elf64-alpha") @@ -38,7 +39,7 @@ SECTIONS __init_begin = ALIGN(PAGE_SIZE); INIT_TEXT_SECTION(PAGE_SIZE) INIT_DATA_SECTION(16) - PERCPU(64, PAGE_SIZE) + PERCPU(L1_CACHE_BYTES, PAGE_SIZE) /* Align to THREAD_SIZE rather than PAGE_SIZE here so any padding page needed for the THREAD_SIZE aligned init_task gets freed after init */ . = ALIGN(THREAD_SIZE); @@ -46,7 +47,7 @@ SECTIONS /* Freed after init ends here */ _data = .; - RW_DATA_SECTION(64, PAGE_SIZE, THREAD_SIZE) + RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) .got : { *(.got) |