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(parent: f481bfa) | patch
[S390] make page table upgrade work again
authorMartin Schwidefsky <schwidefsky@de.ibm.com>
Wed, 18 Mar 2009 12:27:37 +0000 (13:27 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Wed, 18 Mar 2009 12:28:13 +0000 (13:28 +0100)
commit0fb1d9bcbcf701a45835aa150c57ca54ea685bfa
treea2821e3d10918d4b76e6329da42a45cfbb9f19cdtree | snapshot
parentf481bfafd36e621d6cbc62d4b25f74811410aef7commit | diff
[S390] make page table upgrade work again

After TASK_SIZE now gives the current size of the address space the
upgrade of a 64 bit process from 3 to 4 levels of page table  needs
to use the arch_mmap_check hook to catch large mmap lengths. The
get_unmapped_area* functions need to check for -ENOMEM from the
arch_get_unmapped_area*, upgrade the page table and retry.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/include/asm/mman.h diff | blob | history
arch/s390/mm/mmap.c diff | blob | history
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