Messages in this thread | | | Date | Sun, 26 Apr 2020 18:54:42 +0200 | From | Thomas Bogendoerfer <> | Subject | Re: [PATCH] mips/mm: Add page soft dirty tracking |
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On Tue, Apr 21, 2020 at 05:15:27PM +0800, Guoyun Sun wrote: > User space checkpoint and restart tool (CRIU) needs the page's change > to be soft tracked. This allows to do a pre checkpoint and then dump > only touched pages. > > Signed-off-by: Guoyun Sun <sunguoyun@loongson.cn> > --- > arch/mips/Kconfig | 1 + > arch/mips/include/asm/pgtable-bits.h | 8 ++++-- > arch/mips/include/asm/pgtable.h | 48 ++++++++++++++++++++++++++++++++++--
this breaks all 32bit builds where CPU support RIXI, because it overflows pgtable_bits.
Thomas.
-- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]
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