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Diffstat (limited to 'arch/powerpc/kernel/misc_32.S')
| -rw-r--r-- | arch/powerpc/kernel/misc_32.S | 16 |
1 files changed, 0 insertions, 16 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 |