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  1. 20 9月, 2011 7 次提交
  3. 25 7月, 2011 1 次提交
  5. 27 6月, 2011 1 次提交
  7. 23 6月, 2011 2 次提交
  9. 16 5月, 2011 2 次提交
  11. 05 4月, 2011 2 次提交
  13. 25 2月, 2011 2 次提交
  15. 17 2月, 2011 1 次提交
  17. 25 1月, 2011 1 次提交
  19. 03 1月, 2011 1 次提交
  21. 03 12月, 2010 1 次提交
  23. 18 11月, 2010 1 次提交
  25. 27 10月, 2010 1 次提交
    • P
      mm: stack based kmap_atomic() · 3e4d3af5
      由 Peter Zijlstra 提交于 
      Keep the current interface but ignore the KM_type and use a stack based
approach.

The advantage is that we get rid of crappy code like:

	#define __KM_PTE			\
		(in_nmi() ? KM_NMI_PTE : 	\
		 in_irq() ? KM_IRQ_PTE :	\
		 KM_PTE0)

and in general can stop worrying about what context we're in and what kmap
slots might be appropriate for that.

The downside is that FRV kmap_atomic() gets more expensive.

For now we use a CPP trick suggested by Andrew:

  #define kmap_atomic(page, args...) __kmap_atomic(page)

to avoid having to touch all kmap_atomic() users in a single patch.

[ not compiled on:
  - mn10300: the arch doesn't actually build with highmem to begin with ]

[akpm@linux-foundation.org: coding-style fixes]
[akpm@linux-foundation.org: fix up drivers/gpu/drm/i915/intel_overlay.c]
Acked-by: NRik van Riel <riel@redhat.com>
Signed-off-by: NPeter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: NChris Metcalf <cmetcalf@tilera.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: David Miller <davem@davemloft.net>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Dave Airlie <airlied@linux.ie>
Cc: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
      3e4d3af5
  27. 05 10月, 2010 2 次提交
  29. 24 9月, 2010 7 次提交
  31. 26 8月, 2010 4 次提交
  33. 17 8月, 2010 4 次提交