Add linux-mm@xxxxxxxxx On 2015/5/18 15:58, Xishi Qiu wrote: > On 2015/2/7 5:54, Tony Luck wrote: > >> Platforms that support a mix of mirrored and regular memory are coming. >> >> We'd like to use the mirrored memory for kernel code, data and dynamically >> allocated data because our machine check recovery code cannot fix problems >> there. This series modifies the memblock allocator to comprehend mirrored >> memory and use it for all boot time allocations. Later I'll dig into page_alloc.c >> to put the leftover mirrored memory into a zone to be used for kernel allocation >> by slab/slob/slub and others. > > Hi Tony, > > Is it means that you will create a new zone to fill mirrored memory, like the > movable zone, right? > I think this will change a lot of code, why not create a new migrate type? > such as CMA, e.g. MIGRATE_MIRROR > > Thanks, > Xishi Qiu > >> >> You'll see why this is just RFC when you get to part 3. >> >> Tony Luck (3): >> mm/memblock: Add extra "flag" to memblock to allow selection of memory >> based on attribute >> mm/memblock: Allocate boot time data structures from mirrored memory >> x86, mirror: x86 enabling - find mirrored memory ranges and tell >> memblock >> >> arch/s390/kernel/crash_dump.c | 4 +- >> arch/sparc/mm/init_64.c | 4 +- >> arch/x86/kernel/check.c | 2 +- >> arch/x86/kernel/e820.c | 2 +- >> arch/x86/mm/init_32.c | 2 +- >> arch/x86/mm/memtest.c | 2 +- >> include/linux/memblock.h | 43 ++++++++++------ >> mm/cma.c | 4 +- >> mm/memblock.c | 113 ++++++++++++++++++++++++++++++++---------- >> mm/nobootmem.c | 12 ++++- >> 10 files changed, 135 insertions(+), 53 deletions(-) >> > > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > > . > -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>