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authorHugh Dickins <hugh@veritas.com>2005-10-29 18:16:20 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-10-29 21:40:39 -0700
commit46dea3d092d23a58b42499cc8a21de0fad079f4a (patch)
tree6ca46fb09d18e8ea51a354a1494cc742fcf2f2e7 /mm/memory.c
parentf449952bc8bde7fbc73c6d20dff92b627a21f8b9 (diff)
downloadlinux-46dea3d092d23a58b42499cc8a21de0fad079f4a.tar.bz2
[PATCH] mm: ia64 use expand_upwards
ia64 has expand_backing_store function for growing its Register Backing Store vma upwards. But more complete code for this purpose is found in the CONFIG_STACK_GROWSUP part of mm/mmap.c. Uglify its #ifdefs further to provide expand_upwards for ia64 as well as expand_stack for parisc. The Register Backing Store vma should be marked VM_ACCOUNT. Implement the intention of growing it only a page at a time, instead of passing an address outside of the vma to handle_mm_fault, with unknown consequences. Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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