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19f7767e29
we received reports of failed allocations in genwqe code: [ 733.550955] genwqe_gzip: page allocation failure: order:1, mode:0x20 [ 733.550964] CPU: 2 PID: 1846 Comm: genwqe_gzip Not tainted 4.3.0-rc3-00042-g3225031 #78 [ 733.550968] 000000002782b830 000000002782b8c0 0000000000000002 0000000000000000 000000002782b960 000000002782b8d8 000000002782b8d8 00000000001134a0 0000000000000000 0000000000892b2a 0000000000871d0a 000000000000000b 000000002782b920 000000002782b8c0 0000000000000000 0000000000000000 0000000000000000 00000000001134a0 000000002782b8c0 000000002782b920 [ 733.551003] Call Trace: [ 733.551013] ([<0000000000113388>] show_trace+0xf8/0x158) [ 733.551018] [<0000000000113452>] show_stack+0x6a/0xe8 [ 733.551024] [<00000000004611d4>] dump_stack+0x7c/0xd8 [ 733.551031] [<000000000024dc22>] warn_alloc_failed+0xda/0x150 [ 733.551036] [<000000000025268e>] __alloc_pages_nodemask+0x94e/0xbc0 [ 733.551041] [<000000000012bcd8>] s390_dma_alloc+0x70/0x1a0 [ 733.551054] [<000003ff804d8e8c>] __genwqe_alloc_consistent+0x84/0xd0 [genwqe_card] [ 733.551063] [<000003ff804d90c2>] genwqe_alloc_sync_sgl+0x13a/0x328 [genwqe_card] [ 733.551066] [<000003ff804d41a0>] do_execute_ddcb+0x1f8/0x388 [genwqe_card] [ 733.551069] [<000003ff804d48c8>] genwqe_ioctl+0x598/0xd50 [genwqe_card] [ 733.551072] [<00000000002cc90c>] do_vfs_ioctl+0x3f4/0x590 [ 733.551074] [<00000000002ccb46>] SyS_ioctl+0x9e/0xb0 [ 733.551078] [<00000000006c8166>] system_call+0xd6/0x258 [ 733.551080] [<000003fffd25819a>] 0x3fffd25819a [ 733.551082] no locks held by genwqe_gzip/1846. This specific allocation and some others in genwqe are unnecessary flagged as atomic. All of genwqe's atomic allocations happen in a context where it's allowed to sleep. Change these to use GFP_KERNEL. Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Acked-by: Frank Haverkamp <haver@linux.vnet.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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|---|---|---|
| .. | ||
| altera-stapl | ||
| c2port | ||
| cb710 | ||
| cxl | ||
| echo | ||
| eeprom | ||
| genwqe | ||
| ibmasm | ||
| lis3lv02d | ||
| mei | ||
| mic | ||
| sgi-gru | ||
| sgi-xp | ||
| ti-st | ||
| vmw_vmci | ||
| ad525x_dpot-i2c.c | ||
| ad525x_dpot-spi.c | ||
| ad525x_dpot.c | ||
| ad525x_dpot.h | ||
| apds990x.c | ||
| apds9802als.c | ||
| arm-charlcd.c | ||
| atmel_tclib.c | ||
| atmel-ssc.c | ||
| bh1770glc.c | ||
| bh1780gli.c | ||
| bmp085-i2c.c | ||
| bmp085-spi.c | ||
| bmp085.c | ||
| bmp085.h | ||
| cs5535-mfgpt.c | ||
| ds1682.c | ||
| dummy-irq.c | ||
| enclosure.c | ||
| fsa9480.c | ||
| hmc6352.c | ||
| hpilo.c | ||
| hpilo.h | ||
| ics932s401.c | ||
| ioc4.c | ||
| isl29003.c | ||
| isl29020.c | ||
| Kconfig | ||
| kgdbts.c | ||
| lattice-ecp3-config.c | ||
| lkdtm.c | ||
| Makefile | ||
| pch_phub.c | ||
| phantom.c | ||
| pti.c | ||
| qcom-coincell.c | ||
| spear13xx_pcie_gadget.c | ||
| sram.c | ||
| ti_dac7512.c | ||
| tifm_7xx1.c | ||
| tifm_core.c | ||
| tsl2550.c | ||
| vexpress-syscfg.c | ||
| vmw_balloon.c | ||