44 lines
1.3 KiB
Diff
44 lines
1.3 KiB
Diff
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The Power platform requires the partner info buffer to be page aligned
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otherwise it will fail the partner info hcall with H_PARAMETER. Switch
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from using kmalloc to allocate this buffer to __get_free_page to ensure
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page alignment.
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Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
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---
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drivers/tty/hvc/hvcs.c | 6 +++---
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1 file changed, 3 insertions(+), 3 deletions(-)
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diff -puN drivers/tty/hvc/hvcs.c~hvcs_pi_buf_alloc drivers/tty/hvc/hvcs.c
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--- linux-2.6/drivers/tty/hvc/hvcs.c~hvcs_pi_buf_alloc 2011-09-09 16:00:25.000000000 -0500
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+++ linux-2.6-bjking1/drivers/tty/hvc/hvcs.c 2011-09-09 16:07:08.000000000 -0500
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@@ -1532,7 +1532,7 @@ static int __devinit hvcs_initialize(voi
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goto register_fail;
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}
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- hvcs_pi_buff = kmalloc(PAGE_SIZE, GFP_KERNEL);
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+ hvcs_pi_buff = (unsigned long *) __get_free_page(GFP_KERNEL);
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if (!hvcs_pi_buff) {
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rc = -ENOMEM;
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goto buff_alloc_fail;
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@@ -1548,7 +1548,7 @@ static int __devinit hvcs_initialize(voi
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return 0;
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kthread_fail:
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- kfree(hvcs_pi_buff);
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+ free_page((unsigned long)hvcs_pi_buff);
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buff_alloc_fail:
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tty_unregister_driver(hvcs_tty_driver);
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register_fail:
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@@ -1597,7 +1597,7 @@ static void __exit hvcs_module_exit(void
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kthread_stop(hvcs_task);
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spin_lock(&hvcs_pi_lock);
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- kfree(hvcs_pi_buff);
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+ free_page((unsigned long)hvcs_pi_buff);
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hvcs_pi_buff = NULL;
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spin_unlock(&hvcs_pi_lock);
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_
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