Commit ee09c914 authored by Thomas Richter's avatar Thomas Richter Committed by Vasily Gorbik
Browse files

s390/cpum_sf: Use DIV_ROUND_UP 



Use macro DIV_ROUND_UP() for calculation of number of SDBT
SDBT pages required for index pages. This macro is already
used throughout the file.

Signed-off-by: default avatarThomas Richter <tmricht@linux.ibm.com>
Signed-off-by: default avatarVasily Gorbik <gor@linux.ibm.com>
parent 32dab682

arch/s390/kernel/perf_cpum_sf.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -1716,7 +1716,7 @@ static void *aux_buffer_setup(struct perf_event *event, void **pages, 
	sfb = &aux->sfb;

	sfb = &aux->sfb;





	/* Allocate sdbt_index for fast reference */

	/* Allocate sdbt_index for fast reference */

	n_sdbt = (nr_pages + CPUM_SF_SDB_PER_TABLE - 1) / CPUM_SF_SDB_PER_TABLE;

	n_sdbt = DIV_ROUND_UP(nr_pages, CPUM_SF_SDB_PER_TABLE);

	aux->sdbt_index = kmalloc_array(n_sdbt, sizeof(void *), GFP_KERNEL);

	aux->sdbt_index = kmalloc_array(n_sdbt, sizeof(void *), GFP_KERNEL);

	if (!aux->sdbt_index)

	if (!aux->sdbt_index)

		goto no_sdbt_index;

		goto no_sdbt_index;

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