linux/arch/s390/mm
Heiko Carstens eb0bf929d5 s390/gup: handle zero nr_pages case correctly
If [__]get_user_pages_fast() gets called with nr_pages == 0, the current
code would walk the page tables and pin as many pages until the first
invalid pte (or the kernel crashed while writing struct page pointers to
the pages array).
So let's handle at least the nr_pages == 0 case correctly and exit early.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-10-24 17:17:01 +02:00
..
Makefile s390/mem_detect: move memory detection code to mm folder 2013-05-02 15:50:22 +02:00
cmm.c s390/cmm: Removed useless label 2013-04-17 14:07:27 +02:00
dump_pagetables.c s390/mm: cleanup page table definitions 2013-08-22 12:20:06 +02:00
extable.c s390/exceptions: switch to relative exception table entries 2012-09-26 15:45:10 +02:00
extmem.c
fault.c s390/uaccess: always run the kernel in home space 2013-10-24 17:16:57 +02:00
gup.c s390/gup: handle zero nr_pages case correctly 2013-10-24 17:17:01 +02:00
hugetlbpage.c mm: migrate: check movability of hugepage in unmap_and_move_huge_page() 2013-09-11 15:57:49 -07:00
init.c s390: add support for IBM zBC12 machine 2013-07-26 13:25:21 +02:00
maccess.c s390: make various functions static, add declarations to header files 2013-09-07 11:58:03 +02:00
mem_detect.c s390/mem_detect: fix memory hole handling 2013-06-19 15:36:16 +02:00
mmap.c mm: remove free_area_cache 2013-07-10 18:11:34 -07:00
page-states.c
pageattr.c s390/mm: do not initialize storage keys 2013-10-24 17:17:00 +02:00
pgtable.c s390/uaccess: always run the kernel in home space 2013-10-24 17:16:57 +02:00
vmem.c s390/mm: implement software referenced bits 2013-08-29 13:20:11 +02:00