AuxXxilium/linux_dsm_epyc7002
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4cace675d6
linux_dsm_epyc7002/drivers
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Gabriel Krisman Bertazi 4cace675d6 bnx2x: Alloc 4k fragment for each rx ring buffer element 
The driver allocates one page for each buffer on the rx ring, which is
too much on architectures like ppc64 and can cause unexpected allocation
failures when the system is under stress.  Now, we keep a memory pool
per queue, and if the architecture's PAGE_SIZE is greater than 4k, we
fragment pages and assign each 4k segment to a ring element, which
reduces the overall memory consumption on such architectures.  This
helps avoiding errors like the example below:

[bnx2x_alloc_rx_sge:435(eth1)]Can't alloc sge
[c00000037ffeb900] [d000000075eddeb4] .bnx2x_alloc_rx_sge+0x44/0x200 [bnx2x]
[c00000037ffeb9b0] [d000000075ee0b34] .bnx2x_fill_frag_skb+0x1ac/0x460 [bnx2x]
[c00000037ffebac0] [d000000075ee11f0] .bnx2x_tpa_stop+0x160/0x2e8 [bnx2x]
[c00000037ffebb90] [d000000075ee1560] .bnx2x_rx_int+0x1e8/0xc30 [bnx2x]
[c00000037ffebcd0] [d000000075ee2084] .bnx2x_poll+0xdc/0x3d8 [bnx2x] (unreliable)

Signed-off-by: Gabriel Krisman Bertazi <krisman@linux.vnet.ibm.com>
Acked-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Reviewed-by: Lino Sanfilippo <LinoSanfilippo@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-01 15:56:42 -07:00
..
accessibility
acpi Merge branches 'acpi-init' and 'acpica' 2015-05-15 00:31:23 +02:00
amba ARM: 8334/1: amba: tegra-ahb: detect and correct bogus base address 2015-04-02 10:03:55 +01:00
android
ata Merge branch 'for-4.1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata 2015-05-11 10:54:20 -07:00
atm atm:he - Change 1 to true for bool type variable. 2015-05-25 16:34:35 -04:00
auxdisplay
base Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-04-26 17:22:07 -07:00
bcma bcma: enable 32 GPIO pins for BCM4707 2015-05-09 16:28:07 +03:00
block Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-05-23 01:22:35 -04:00
bluetooth Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next 2015-05-30 23:26:45 -07:00
bus drivers: CCI: fix used_mask init in validate_group() 2015-05-07 18:29:18 +02:00
cdrom
char ipmi: Fix multi-part message handling 2015-05-05 19:37:22 -05:00
clk clk: qcom: Add support for NSS/GMAC clocks and resets 2015-05-30 17:04:36 -07:00
clocksource Initial ACPI support for arm64: 2015-04-24 08:23:45 -07:00
connector
cpufreq cpufreq: intel_pstate: Fix an annoying !CONFIG_SMP warning 2015-04-15 23:02:24 +02:00
cpuidle cpuidle: Run tick_broadcast_exit() with disabled interrupts 2015-04-29 15:19:21 +02:00
crypto Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2015-04-26 13:51:05 -07:00
dca
devfreq PM / devfreq: tegra: Register governor on module init 2015-03-31 13:17:15 +09:00
dio
dma dmaengine: increment privatecnt when using dma_get_any_slave_channel 2015-04-29 16:47:57 +05:30
dma-buf dma-buf: cleanup dma_buf_export() to make it easily extensible 2015-04-21 14:47:16 +05:30
edac
eisa
extcon extcon: usb-gpio: register extcon device before IRQ registration 2015-04-27 11:06:05 +09:00
firewire
firmware Merge branch 'dmi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging 2015-05-14 18:02:15 -07:00
fmc
gpio gpio: omap: Fix regression for MPUIO interrupts 2015-05-06 15:19:38 +02:00
gpu Merge branch 'drm-fixes-4.1' of git://people.freedesktop.org/~agd5f/linux into drm-fixes 2015-05-22 13:31:54 +10:00
hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid 2015-05-21 17:23:11 -07:00
hsi HSI: cmt_speech: fix error return code 2015-04-05 14:45:27 +02:00
hv Drivers: hv: hv_balloon: correctly handle num_pages>INT_MAX case 2015-04-03 16:20:12 +02:00
hwmon hwmon: (w83795) use find_closest_descending() in pwm_freq_to_reg() 2015-04-17 09:03:55 -04:00
hwspinlock
hwtracing/coresight Char/Misc driver patches for 4.1-rc1 2015-04-21 09:42:58 -07:00
i2c Merge branch 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2015-04-26 17:44:09 -07:00
ide Merge branch 'for-4.1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata 2015-05-11 10:54:20 -07:00
idle Power management and ACPI updates for v4.1-rc1 2015-04-14 20:21:54 -07:00
iio The usual mixed bag of fixes for IIO in the 4.1 cycle. 2015-05-13 11:51:14 -07:00
infiniband net/mlx4: Add EQ pool 2015-05-30 23:35:34 -07:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2015-05-22 14:49:55 -07:00
iommu iommu/arm-smmu: Fix sign-extension of upstream bus addresses at stage 1 2015-05-11 18:36:20 +02:00
ipack
irqchip irqchip: tegra: Set the proper base address in irq chip data 2015-05-13 10:46:07 +02:00
isdn isdn/capi: Use setup_timer 2015-05-31 21:36:37 -07:00
leds This is the bulk of GPIO changes for the v4.1 development 2015-04-18 08:22:10 -04:00
lguest Some virtio internal cleanups, a new virtio device "virtio input", and 2015-04-22 10:55:06 -07:00
macintosh Merge branch 'next-remove-ldst' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc into next 2015-04-07 13:25:14 +10:00
mailbox
mcb mcb: request_mem_region() returns NULL on error 2015-04-03 16:15:30 +02:00
md md fixes for 4.1-rc4 2015-05-22 15:10:07 -07:00
media media fixes for v4.1-rc3 2015-05-05 08:42:06 -07:00
memory ARM: SoC driver updates for v4.1 2015-04-22 09:18:17 -07:00
memstick memstick: mspro_block: add missing curly braces 2015-04-17 09:04:09 -04:00
message
mfd can: janz-ican3: add support for CAL/CANopen firmware 2015-05-06 08:03:20 +02:00
misc Char/Misc driver patches for 4.1-rc1 2015-04-21 09:42:58 -07:00
mmc mmc: atmel-mci: fix bad variable type for clkdiv 2015-05-18 09:04:42 +02:00
mtd Two MTD fixes for 4.1: 2015-05-18 10:01:54 -07:00
net bnx2x: Alloc 4k fragment for each rx ring buffer element 2015-06-01 15:56:42 -07:00
nfc NFC: logging neatening 2015-04-07 12:05:12 +02:00
ntb
nubus
of of: mdio: Add a "broken-turn-around" property 2015-05-14 13:40:55 -04:00
oprofile Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-04-26 17:22:07 -07:00
parisc parisc: %pf is only for function pointers 2015-04-24 13:45:54 +02:00
parport
pci xen: features and fixes for 4.1-rc0 2015-04-16 14:01:03 -05:00
pcmcia ARM: SoC cleanups for v4.1 2015-04-22 09:04:39 -07:00
phy USB patches for 4.1-rc1 2015-04-13 17:07:21 -07:00
pinctrl These are some GPIO fixes for the v4.1 series: 2015-05-08 19:42:59 -07:00
platform thinkpad_acpi: Fix warning for static not at beginning 2015-05-05 13:56:46 -07:00
pnp Power management and ACPI updates for v4.1-rc1 2015-04-14 20:21:54 -07:00
power power: bq27x00_battery: Add missing MODULE_ALIAS 2015-05-01 23:01:48 +02:00
powercap powercap / RAPL: Add support for Intel Skylake processors 2015-04-15 23:06:16 +02:00
pps
ps3
ptp ptp: remove 32 bit get/set methods. 2015-03-31 12:01:19 -04:00
pwm pwm: img: Impose upper and lower timebase steps value 2015-05-19 16:07:40 +02:00
rapidio
ras
regulator == Changes to existing drivers == 2015-04-14 17:29:55 -07:00
remoteproc
reset
rpmsg
rtc drivers/rtc/rtc-armada38x.c: remove unused local `flags' 2015-05-14 17:55:51 -07:00
s390 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-05-23 01:22:35 -04:00
sbus drivers/sbus/char/envctrl.c: ignore orderly_poweroff return value 2015-04-15 16:35:23 -07:00
scsi treewide: Add missing vmalloc.h inclusion. 2015-05-28 14:31:59 -07:00
sfi
sh drivers: sh: Remove test for now unsupported sh7372 2015-04-27 13:08:14 +09:00
sn
soc - fix unused variable warning for pmic-wrapper 2015-04-14 00:43:28 +02:00
spi Merge remote-tracking branches 'spi/fix/fsl-cpm', 'spi/fix/fsl-dspi' and 'spi/fix/fsl-espi' into spi-linus 2015-05-11 17:29:49 +01:00
spmi spmi: pmic_arb: remove ARM build time dependency 2015-04-03 16:15:30 +02:00
ssb Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2015-04-17 15:50:54 -04:00
staging As we get closer to the merge window, here are a few 2015-05-31 17:34:26 -07:00
target treewide: Add missing vmalloc.h inclusion. 2015-05-28 14:31:59 -07:00
tc
thermal Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal into for-rc 2015-05-19 08:12:27 +08:00
thunderbolt
tty xen: bug fixes for 4.1-rc4 2015-05-21 20:19:38 -07:00
uio Revert "uio: constify of_device_id array" 2015-04-03 16:04:21 +02:00
usb USB-serial fixes for v4.1-rc4 2015-05-14 12:43:36 -07:00
uwb
vfio vfio: Fix runaway interruptible timeout 2015-05-01 16:31:41 -06:00
vhost treewide: Add missing vmalloc.h inclusion. 2015-05-28 14:31:59 -07:00
video fbdev changes for v4.1 2015-04-20 15:16:25 -07:00
virt
virtio virtio: drop virtio_device_is_legacy_only 2015-04-15 12:41:14 +09:30
vlynq
vme
w1
watchdog Merge git://www.linux-watchdog.org/linux-watchdog 2015-04-22 11:22:55 -07:00
xen xen/events: don't bind non-percpu VIRQs with percpu chip 2015-05-19 19:55:36 +01:00
zorro
Kconfig
Makefile coresight: moving to new "hwtracing" directory 2015-04-03 16:17:04 +02:00