diff options
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/misc_32.S | 16 | ||||
| -rw-r--r-- | arch/powerpc/kernel/ppc_ksyms_32.c | 1 |
2 files changed, 0 insertions, 17 deletions
diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S index 7d1284f..181afc1 100644 --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S @@ -517,22 +517,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_COHERENT_ICACHE) #endif /* CONFIG_BOOKE */ /* - * Clear pages using the dcbz instruction, which doesn't cause any - * memory traffic (except to write out any cache lines which get - * displaced). This only works on cacheable memory. - * - * void clear_pages(void *page, int order) ; - */ -_GLOBAL(clear_pages) - li r0,PAGE_SIZE/L1_CACHE_BYTES - slw r0,r0,r4 - mtctr r0 -1: dcbz 0,r3 - addi r3,r3,L1_CACHE_BYTES - bdnz 1b - blr - -/* * Copy a whole page. We use the dcbz instruction on the destination * to reduce memory traffic (it eliminates the unnecessary reads of * the destination into cache). This requires that the destination diff --git a/arch/powerpc/kernel/ppc_ksyms_32.c b/arch/powerpc/kernel/ppc_ksyms_32.c index 30ddd8a..2bfaafe 100644 --- a/arch/powerpc/kernel/ppc_ksyms_32.c +++ b/arch/powerpc/kernel/ppc_ksyms_32.c @@ -10,7 +10,6 @@ #include <asm/pgtable.h> #include <asm/dcr.h> -EXPORT_SYMBOL(clear_pages); EXPORT_SYMBOL(ISA_DMA_THRESHOLD); EXPORT_SYMBOL(DMA_MODE_READ); EXPORT_SYMBOL(DMA_MODE_WRITE); |