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authorJeff Dike <jdike@addtoit.com>2007-05-06 14:51:19 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-07 12:13:02 -0700
commita18ff1bde0c3da9ece3ba60e6eae2ef87f91a12e (patch)
tree4a822b5150773dd979f723232ed2d7169214d9bd /arch/um/sys-ia64/Makefile
parent57ac895a7f22d235f637317f58a2d9ba6ec91a27 (diff)
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uml: speed up exec
flush_thread doesn't need to do a full page table walk in order to clear the address space. It knows what the end result needs to be, so it can call unmap directly. This results in a 10-20% speedup in an exec from bash. Signed-off-by: Jeff Dike <jdike@linux.intel.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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