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The only difference is the free_thread_info function, which frees
xstate.
Use the new arch_release_task_struct() function instead and switch
over to the core allocator.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20120505150141.559556763@linutronix.de
Cc: x86@kernel.org
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These days 4 kilobytes of stack just aren't enough for reliably operation,
and people using lots of threads have long switched to 64-bit kernels, so
remove the CONFIG_4KSTACKS option.
Signed-off-by: Christoph Hellwig <hch@lst.de>
LKML-Reference: <20100628121614.GB6605@lst.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Impact: unification of declarations, cleanup
Unification of declarations:
moved init_memory_mapping, initmem_init and free_initmem from
page_XX_types.h to page_types.h
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Andrew Morton <akpm@linux-foundation.org>
LKML-Reference: <1239693869.3033.31.camel@ht.satnam>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Impact: simplification
We only need to map the kernel in head_32.S, not the whole of
lowmem. We use 512MB as a reasonable (but arbitrary) limit on
the maximum size of the kernel image.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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PAGETABLE_LEVELS and the PTE masks should be in pgtable*.h
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
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pgtable*.h is intended for definitions relating to actual pagetables
and their entries, so move all the definitions for
(pte|pmd|pud|pgd)(val)?_t to the appropriate pgtable*.h headers.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
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Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>
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Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>
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