mm: add gfp mask checking for __get_free_pages()

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__get_free_pages() with __GFP_HIGHMEM is not safe because the return
address cannot represent a highmem page.  get_zeroed_page() already has
such a debug checking.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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Akinobu Mita 2009-09-21 17:01:47 -07:00 • committed by Linus Torvalds

parent a26f5320c4

commit 945a11136e

1 changed files with 9 additions and 15 deletions

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mm/page_alloc.c

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