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linux/include
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Mathieu Desnoyers 6d439c18d9 dax: alloc_dax() return ERR_PTR(-EOPNOTSUPP) for CONFIG_DAX=n 
Change the return value from NULL to PTR_ERR(-EOPNOTSUPP) for
CONFIG_DAX=n to be consistent with the fact that CONFIG_DAX=y
never returns NULL.

This is done in preparation for using cpu_dcache_is_aliasing() in a
following change which will properly support architectures which detect
data cache aliasing at runtime.

Link: https://lkml.kernel.org/r/20240215144633.96437-3-mathieu.desnoyers@efficios.com
Fixes: 4e4ced9379 ("dax: Move mandatory ->zero_page_range() check in alloc_dax()")
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Alasdair Kergon <agk@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: kernel test robot <lkp@intel.com>
Cc: Michael Sclafani <dm-devel@lists.linux.dev>
Cc: Mike Snitzer <snitzer@kernel.org>
Cc: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-02-22 15:27:19 -08:00
..
acpi IOMMU Updates for Linux v6.8 2024-01-18 15:16:57 -08:00
asm-generic mm/mmu_gather: add __tlb_remove_folio_pages() 2024-02-22 15:27:17 -08:00
clocksource
crypto
drm drm-next for 6.8: 2024-01-12 11:32:19 -08:00
dt-bindings dmaengine fixes for v6.8-rc1 2024-01-20 15:03:25 -08:00
keys
kunit Networking changes for 6.8. 2024-01-11 10:07:29 -08:00
kvm
linux dax: alloc_dax() return ERR_PTR(-EOPNOTSUPP) for CONFIG_DAX=n 2024-02-22 15:27:19 -08:00
math-emu
media
memory
misc
net tls: fix race between async notify and socket close 2024-02-10 21:38:19 +00:00
pcmcia
ras
rdma
rv
scsi
soc - New Device Support 2024-01-17 15:21:21 -08:00
sound ASoC: tas2781: add module parameter to tascodec_init() 2024-02-05 14:31:37 +00:00
target
trace mm: compaction: update the cc->nr_migratepages when allocating or freeing the freepages 2024-02-22 10:24:50 -08:00
uapi mm/mempolicy: introduce MPOL_WEIGHTED_INTERLEAVE for weighted interleaving 2024-02-22 10:24:46 -08:00
ufs
vdso
video video/sticore: Remove info field from STI struct 2024-01-12 12:38:37 +01:00
xen xen: update PV-device interface headers 2024-01-09 11:46:24 +01:00