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authorThomas Gleixner <tglx@linutronix.de>2012-05-05 15:05:43 +0000
committerThomas Gleixner <tglx@linutronix.de>2012-05-08 14:08:44 +0200
commit803fc74f06cf3cd23417463ca5a176b41717ec19 (patch)
treea5b7f19e7c3f62249205565d8ffadc31532244cb /arch/cris/include/asm/processor.h
parent38e7c572ce7310def003d8bb7c34260f5d8118cb (diff)
downloadlwn-803fc74f06cf3cd23417463ca5a176b41717ec19.tar.gz
lwn-803fc74f06cf3cd23417463ca5a176b41717ec19.zip
cris: Use common threadinfo allocator
There is no functional difference. __get_free_pages() ends up calling alloc_pages_node(). This also allocates only one page which matches THREAD_SIZE instead of an extra page for nothing. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Jesper Nilsson <jesper.nilsson@axis.com> Link: http://lkml.kernel.org/r/20120505150141.681236240@linutronix.de
Diffstat (limited to 'arch/cris/include/asm/processor.h')
-rw-r--r--arch/cris/include/asm/processor.h5
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/cris/include/asm/processor.h b/arch/cris/include/asm/processor.h
index 4210d72a6667..8dc56ef08712 100644
--- a/arch/cris/include/asm/processor.h
+++ b/arch/cris/include/asm/processor.h
@@ -25,13 +25,12 @@ struct task_struct;
*/
#define TASK_UNMAPPED_BASE (PAGE_ALIGN(TASK_SIZE / 3))
-/* THREAD_SIZE is the size of the task_struct/kernel_stack combo.
+/* THREAD_SIZE is the size of the thread_info/kernel_stack combo.
* normally, the stack is found by doing something like p + THREAD_SIZE
* in CRIS, a page is 8192 bytes, which seems like a sane size
*/
-
#define THREAD_SIZE PAGE_SIZE
-#define KERNEL_STACK_SIZE PAGE_SIZE
+#define THREAD_SIZE_ORDER (0)
/*
* At user->kernel entry, the pt_regs struct is stacked on the top of the kernel-stack.