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Commit 0f06c063 authored by Tejun Heo's avatar Tejun Heo
Browse files

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: default avatarTejun Heo <tj@kernel.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
parent 19df0c2f

arch/alpha/kernel/vmlinux.lds.S

+3 −2
Original line number Diff line number Diff line 
#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)