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Andrew Morton 4150d3f549 revert "highmem: catch illegal nesting" ... Revert commit 656dad312f Author: Ingo Molnar <mingo@elte.hu> Date: Sat Feb 10 01:46:36 2007 -0800 [PATCH] highmem: catch illegal nesting Catch illegally nested kmap_atomic()s even if the page that is mapped by the 'inner' instance is from lowmem. This avoids spuriously zapped kmap-atomic ptes and turns hard to find crashes into clear asserts at the bug site. Problem is, a get_zeroed_page(GFP_KERNEL) from interrupt context will trigger this check if non-irq code on this CPU holds a KM_USER0 mapping. But that get_zeroed_page() will never be altering the kmap slot anyway due to the GFP_KERNEL. Cc: Christoph Lameter <clameter@sgi.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		18 years ago
..
Makefile	…
boot_ioremap.c	…
discontig.c	…
extable.c	…
fault.c	Fix lazy mode vmalloc synchronization for paravirt	18 years ago
highmem.c	revert "highmem: catch illegal nesting"	18 years ago
hugetlbpage.c	hugepage: fix broken check for offset alignment in hugepage mappings	18 years ago
init.c	…
ioremap.c	…
mmap.c	…
pageattr.c	…
pgtable.c	…