* mmotm broken on arm with ebc495cfcea9 (mm: cleanup *pte_alloc* interfaces)
@ 2016-03-08 1:27 Laura Abbott
2016-03-08 2:02 ` Andrew Morton
0 siblings, 1 reply; 3+ messages in thread
From: Laura Abbott @ 2016-03-08 1:27 UTC (permalink / raw)
To: linux-arm-kernel
Hi,
I just tried the master of mmotm and ran into compilation issues on arm:
CC arch/arm/mm/mmu.o
arch/arm/mm/mmu.c:737:37: error: macro "pte_alloc" passed 4 arguments, but takes just 3
void *(*alloc)(unsigned long sz))
^
arch/arm/mm/mmu.c:738:1: error: expected ?=?, ?,?, ?;?, ?asm? or ?__attribute__? before ?{? token
{
^
arch/arm/mm/mmu.c: In function ?early_pte_alloc?:
arch/arm/mm/mmu.c:750:47: error: macro "pte_alloc" passed 4 arguments, but takes just 3
return pte_alloc(pmd, addr, prot, early_alloc);
^
arch/arm/mm/mmu.c:750:9: error: ?pte_alloc? undeclared (first use in this function)
return pte_alloc(pmd, addr, prot, early_alloc);
^
arch/arm/mm/mmu.c:750:9: note: each undeclared identifier is reported only once for each function it appears in
arch/arm/mm/mmu.c: In function ?alloc_init_pte?:
arch/arm/mm/mmu.c:759:56: error: macro "pte_alloc" passed 4 arguments, but takes just 3
pte_t *pte = pte_alloc(pmd, addr, type->prot_l1, alloc);
^
arch/arm/mm/mmu.c:759:15: error: ?pte_alloc? undeclared (first use in this function)
pte_t *pte = pte_alloc(pmd, addr, type->prot_l1, alloc);
^
arch/arm/mm/mmu.c: In function ?early_pte_alloc?:
arch/arm/mm/mmu.c:751:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
It looks like this is caused by ebc495cfcea9 (mm: cleanup *pte_alloc* interfaces)
which added
#define pte_alloc(mm, pmd, address) \
(unlikely(pmd_none(*(pmd))) && __pte_alloc(mm, pmd, address))
and conflicts with arch/arm/mm/mmu.c which is using pte_alloc as a function name.
Is this a known issue? If not, Russell would you take a patch to rename the pte_alloc
functions in arm?
Thanks,
Laura
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2016-03-08 1:27 mmotm broken on arm with ebc495cfcea9 (mm: cleanup *pte_alloc* interfaces) Laura Abbott
2016-03-08 2:02 ` Andrew Morton
2016-03-08 19:34 ` Laura Abbott
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