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![Mel Gorman](/assets/img/avatar_default.png)
__GFP_MEMALLOC will allow the allocation to disregard the watermarks, much like PF_MEMALLOC. It allows one to pass along the memalloc state in object related allocation flags as opposed to task related flags, such as sk->sk_allocation. This removes the need for ALLOC_PFMEMALLOC as callers using __GFP_MEMALLOC can get the ALLOC_NO_WATERMARK flag which is now enough to identify allocations related to page reclaim. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mel Gorman <mgorman@suse.de> Cc: David Miller <davem@davemloft.net> Cc: Neil Brown <neilb@suse.de> Cc: Mike Christie <michaelc@cs.wisc.edu> Cc: Eric B Munson <emunson@mgebm.net> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: Sebastian Andrzej Siewior <sebastian@breakpoint.cc> Cc: Mel Gorman <mgorman@suse.de> Cc: Christoph Lameter <cl@linux.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
42 lines
1.7 KiB
C
42 lines
1.7 KiB
C
/*
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* The order of these masks is important. Matching masks will be seen
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* first and the left over flags will end up showing by themselves.
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*
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* For example, if we have GFP_KERNEL before GFP_USER we wil get:
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*
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* GFP_KERNEL|GFP_HARDWALL
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*
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* Thus most bits set go first.
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*/
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#define show_gfp_flags(flags) \
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(flags) ? __print_flags(flags, "|", \
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{(unsigned long)GFP_TRANSHUGE, "GFP_TRANSHUGE"}, \
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{(unsigned long)GFP_HIGHUSER_MOVABLE, "GFP_HIGHUSER_MOVABLE"}, \
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{(unsigned long)GFP_HIGHUSER, "GFP_HIGHUSER"}, \
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{(unsigned long)GFP_USER, "GFP_USER"}, \
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{(unsigned long)GFP_TEMPORARY, "GFP_TEMPORARY"}, \
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{(unsigned long)GFP_KERNEL, "GFP_KERNEL"}, \
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{(unsigned long)GFP_NOFS, "GFP_NOFS"}, \
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{(unsigned long)GFP_ATOMIC, "GFP_ATOMIC"}, \
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{(unsigned long)GFP_NOIO, "GFP_NOIO"}, \
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{(unsigned long)__GFP_HIGH, "GFP_HIGH"}, \
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{(unsigned long)__GFP_WAIT, "GFP_WAIT"}, \
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{(unsigned long)__GFP_IO, "GFP_IO"}, \
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{(unsigned long)__GFP_COLD, "GFP_COLD"}, \
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{(unsigned long)__GFP_NOWARN, "GFP_NOWARN"}, \
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{(unsigned long)__GFP_REPEAT, "GFP_REPEAT"}, \
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{(unsigned long)__GFP_NOFAIL, "GFP_NOFAIL"}, \
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{(unsigned long)__GFP_NORETRY, "GFP_NORETRY"}, \
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{(unsigned long)__GFP_COMP, "GFP_COMP"}, \
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{(unsigned long)__GFP_ZERO, "GFP_ZERO"}, \
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{(unsigned long)__GFP_NOMEMALLOC, "GFP_NOMEMALLOC"}, \
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{(unsigned long)__GFP_MEMALLOC, "GFP_MEMALLOC"}, \
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{(unsigned long)__GFP_HARDWALL, "GFP_HARDWALL"}, \
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{(unsigned long)__GFP_THISNODE, "GFP_THISNODE"}, \
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{(unsigned long)__GFP_RECLAIMABLE, "GFP_RECLAIMABLE"}, \
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{(unsigned long)__GFP_MOVABLE, "GFP_MOVABLE"}, \
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{(unsigned long)__GFP_NOTRACK, "GFP_NOTRACK"}, \
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{(unsigned long)__GFP_NO_KSWAPD, "GFP_NO_KSWAPD"}, \
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{(unsigned long)__GFP_OTHER_NODE, "GFP_OTHER_NODE"} \
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) : "GFP_NOWAIT"
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