![]() CONFIG_DEBUG_PAGEALLOC is now supported by x86, powerpc, sparc64, and s390. This patch implements it for the rest of the architectures by filling the pages with poison byte patterns after free_pages() and verifying the poison patterns before alloc_pages(). This generic one cannot detect invalid page accesses immediately but invalid read access may cause invalid dereference by poisoned memory and invalid write access can be detected after a long delay. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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appldata | ||
boot | ||
crypto | ||
hypfs | ||
include/asm | ||
kernel | ||
kvm | ||
lib | ||
math-emu | ||
mm | ||
oprofile | ||
defconfig | ||
Kconfig | ||
Kconfig.debug | ||
Makefile |