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s390/pci: reduce iomap size (even more)

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Commit c506fff3d3 ("s390/pci: resize iomap") reduced the iomap
to NR_FUNCTIONS * PCI_BAR_COUNT elements. Since we only support
functions with 64bit BARs we can cut that number in half.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Sebastian Ott 2017-03-27 19:07:24 +02:00 committed by Martin Schwidefsky
parent 4e0cca7d64
commit b0c8ce897a
1 changed files with 1 additions and 1 deletions
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arch/s390/pci/pci.c
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@ -69,7 +69,7 @@ static struct airq_struct zpci_airq = {
};
#define ZPCI_IOMAP_ENTRIES \
min(((unsigned long) CONFIG_PCI_NR_FUNCTIONS * PCI_BAR_COUNT), \
min(((unsigned long) ZPCI_NR_DEVICES * PCI_BAR_COUNT / 2), \
ZPCI_IOMAP_MAX_ENTRIES)
static DEFINE_SPINLOCK(zpci_iomap_lock);