On Sat, Mar 16, 2013 at 05:03:23PM +0000, Jiang Liu wrote: > Use free_reserved_area() to kill poison_init_mem() on ARM64. > > Signed-off-by: Jiang Liu <[email protected]> > Cc: Catalin Marinas <[email protected]> > Cc: Will Deacon <[email protected]> > Cc: [email protected] > Cc: [email protected] > --- > arch/arm64/mm/init.c | 17 +++-------------- > 1 file changed, 3 insertions(+), 14 deletions(-) > > diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c > index e58dd7f..b87bdb8 100644 > --- a/arch/arm64/mm/init.c > +++ b/arch/arm64/mm/init.c > @@ -197,14 +197,6 @@ void __init bootmem_init(void) > max_pfn = max_low_pfn = max; > } > > -/* > - * Poison init memory with an undefined instruction (0x0). > - */ > -static inline void poison_init_mem(void *s, size_t count) > -{ > - memset(s, 0, count); > -} > - > #ifndef CONFIG_SPARSEMEM_VMEMMAP > static inline void free_memmap(unsigned long start_pfn, unsigned long > end_pfn) > { > @@ -386,8 +378,7 @@ void __init mem_init(void) > > void free_initmem(void) > { > - poison_init_mem(__init_begin, __init_end - __init_begin); > - free_initmem_default(-1); > + free_initmem_default(0);
This change looks unrelated to $subject. We should probably just poison with 0 from the outset, when free_initmem_default is introduced. Will -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
