On 12/18/2016 21:07, Serge Semin wrote: > Most of the modern platforms supported by linux kernel have already > been cleaned up of old bootmem allocator by moving to nobootmem > interface wrapping up the memblock. This patchset is the first > attempt to do the similar improvement for MIPS for UMA systems > only. > > Even though the porting was performed as much careful as possible > there still might be problem with support of some platforms, > especially Loonson3 or SGI IP27, which perform early memory manager > initialization by their self. I can take a look at the IP27 issues, but I'm kinda stuck right now on the odd gcc-6.3.x bug I described in an earlier e-mail, so I don't know when I'll get around to this. > The patchset is split so individual patch being consistent in > functional and buildable ways. But the MIPS early memory manager > will work correctly only either with or without the whole set being > applied. For the same reason a reviewer should not pay much attention > to methods bootmem_init(), arch_mem_init(), paging_init() and > mem_init() until they are fully refactored. > > The patchset is applied on top of kernel v4.9. > > Signed-off-by: Serge Semin <fancer.lancer@xxxxxxxxx> > > Serge Semin (21): > MIPS memblock: Unpin dts memblock sanity check method > MIPS memblock: Add dts mem and reserved-mem callbacks > MIPS memblock: Alter traditional add_memory_region() method > MIPS memblock: Alter user-defined memory parameter parser > MIPS memblock: Alter initrd memory reservation method > MIPS memblock: Alter kexec-crashkernel parameters parser > MIPS memblock: Alter elfcorehdr parameters parser > MIPS memblock: Move kernel parameters parser into individual method > MIPS memblock: Move kernel memory reservation to individual method > MIPS memblock: Discard bootmem allocator initialization > MIPS memblock: Add memblock sanity check method > MIPS memblock: Add memblock print outs in debug > MIPS memblock: Add memblock allocator initialization > MIPS memblock: Alter IO resources initialization method > MIPS memblock: Alter weakened MAAR initialization method > MIPS memblock: Alter paging initialization method > MIPS memblock: Alter high memory freeing method > MIPS memblock: Slightly improve buddy allocator init method > MIPS memblock: Add print out method of kernel virtual memory layout > MIPS memblock: Add free low memory test method call > MIPS memblock: Deactivate old bootmem allocator > > arch/mips/Kconfig | 2 +- > arch/mips/kernel/prom.c | 32 +- > arch/mips/kernel/setup.c | 958 +++++++++++++++-------------- > arch/mips/mm/init.c | 234 ++++--- > drivers/of/fdt.c | 47 +- > include/linux/of_fdt.h | 1 + > 6 files changed, 739 insertions(+), 535 deletions(-) > -- Joshua Kinard Gentoo/MIPS kumba@xxxxxxxxxx 6144R/F5C6C943 2015-04-27 177C 1972 1FB8 F254 BAD0 3E72 5C63 F4E3 F5C6 C943 "The past tempts us, the present confuses us, the future frightens us. And our lives slip away, moment by moment, lost in that vast, terrible in-between." --Emperor Turhan, Centauri Republic
