Commit 178748b6 authored by Satheesh Rajendran's avatar Satheesh Rajendran Committed by Michael Ellerman
Browse files

powerpc/pseries/svm: Drop unused align argument in alloc_shared_lppaca() function 



Argument "align" in alloc_shared_lppaca() was unused inside the
function. Let's drop it and update code comment for page alignment.

Signed-off-by: default avatarSatheesh Rajendran <sathnaga@linux.vnet.ibm.com>
Reviewed-by: default avatarThiago Jung Bauermann <bauerman@linux.ibm.com>
Reviewed-by: default avatarLaurent Dufour <ldufour@linux.ibm.com>
[mpe: Massage comment wording/formatting]
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200612142953.135408-1-sathnaga@linux.vnet.ibm.com
parent 7c466b08

arch/powerpc/kernel/paca.c

+10 −3
Original line number Diff line number Diff line
@@ -57,8 +57,8 @@ static void *__init alloc_paca_data(unsigned long size, unsigned long align, 


#define LPPACA_SIZE 0x400



static void *__init alloc_shared_lppaca(unsigned long size, unsigned long align,

					unsigned long limit, int cpu)

static void *__init alloc_shared_lppaca(unsigned long size, unsigned long limit,

					int cpu)

{

	size_t shared_lppaca_total_size = PAGE_ALIGN(nr_cpu_ids * LPPACA_SIZE);

	static unsigned long shared_lppaca_size;
@@ -68,6 +68,13 @@ static void *__init alloc_shared_lppaca(unsigned long size, unsigned long align, 
	if (!shared_lppaca) {

		memblock_set_bottom_up(true);



		/*

		 * See Documentation/powerpc/ultravisor.rst for more details.

		 *

		 * UV/HV data sharing is in PAGE_SIZE granularity. In order to

		 * minimize the number of pages shared, align the allocation to

		 * PAGE_SIZE.

		 */

		shared_lppaca =

			memblock_alloc_try_nid(shared_lppaca_total_size,

					       PAGE_SIZE, MEMBLOCK_LOW_LIMIT,
@@ -122,7 +129,7 @@ static struct lppaca * __init new_lppaca(int cpu, unsigned long limit) 
		return NULL;



	if (is_secure_guest())

		lp = alloc_shared_lppaca(LPPACA_SIZE, 0x400, limit, cpu);

		lp = alloc_shared_lppaca(LPPACA_SIZE, limit, cpu);

	else

		lp = alloc_paca_data(LPPACA_SIZE, 0x400, limit, cpu);