linux-next: build failure after merge of the pagemap-headers tree

From: Mark Brown

Date: Tue Aug 25 2026 - 09:53:04 EST


Hi all,

After merging the pagemap-headers tree, today's linux-next build
(arm multi_v7_defconfig) failed like this:

/tmp/next/build/drivers/dma/ste_dma40.c:492:42: error: field 'tasklet' has incomplete type
492 | struct tasklet_struct tasklet;
| ^~~~~~~
/tmp/next/build/drivers/dma/ste_dma40.c: In function 'dma_tc_handle':
/tmp/next/build/drivers/dma/ste_dma40.c:1590:9: error: implicit declaration of function 'tasklet_schedule' [-Wimplicit-function-declaration]
1590 | tasklet_schedule(&d40c->tasklet);
| ^~~~~~~~~~~~~~~~
/tmp/next/build/drivers/dma/ste_dma40.c: In function 'dma_tasklet':
/tmp/next/build/drivers/dma/ste_dma40.c:1596:33: error: implicit declaration of function 'from_tasklet'; did you mean 'dma_tasklet'? [-Wimplicit-function-declaration]
1596 | struct d40_chan *d40c = from_tasklet(d40c, t, tasklet);
| ^~~~~~~~~~~~
| dma_tasklet
/tmp/next/build/drivers/dma/ste_dma40.c:1596:55: error: 'tasklet' undeclared (first use in this function)
1596 | struct d40_chan *d40c = from_tasklet(d40c, t, tasklet);
| ^~~~~~~
/tmp/next/build/drivers/dma/ste_dma40.c:1596:55: note: each undeclared identifier is reported only once for each function it appears in
/tmp/next/build/drivers/dma/ste_dma40.c: At top level:
/tmp/next/build/drivers/dma/ste_dma40.c:1659:8: error: unknown type name 'irqreturn_t'
1659 | static irqreturn_t d40_handle_interrupt(int irq, void *data)
| ^~~~~~~~~~~
/tmp/next/build/drivers/dma/ste_dma40.c: In function 'd40_handle_interrupt':
/tmp/next/build/drivers/dma/ste_dma40.c:1718:16: error: 'IRQ_HANDLED' undeclared (first use in this function)
1718 | return IRQ_HANDLED;
| ^~~~~~~~~~~
/tmp/next/build/drivers/dma/ste_dma40.c: In function 'd40_chan_init':
/tmp/next/build/drivers/dma/ste_dma40.c:2818:17: error: implicit declaration of function 'tasklet_setup'; did you mean 'timer_setup'? [-Wimplicit-function-declaration]
2818 | tasklet_setup(&d40c->tasklet, dma_tasklet);
| ^~~~~~~~~~~~~
| timer_setup
/tmp/next/build/drivers/dma/ste_dma40.c: In function 'd40_probe':
/tmp/next/build/drivers/dma/ste_dma40.c:3588:15: error: implicit declaration of function 'request_irq'; did you mean 'request_key'? [-Wimplicit-function-declaration]
3588 | ret = request_irq(base->irq, d40_handle_interrupt, 0, D40_NAME, base);
| ^~~~~~~~~~~
| request_key
/tmp/next/build/drivers/dma/ste_dma40.c: In function 'd40_handle_interrupt':
/tmp/next/build/drivers/dma/ste_dma40.c:1719:1: error: control reaches end of non-void function [-Werror=return-type]
1719 | }
| ^

Doubtless caused by the pagemap-headers tree. I will not merge the tree
today.

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