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scst/include/backport.h: Fix kvmalloc() backport for RHEL 7

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The kvmalloc function was added in RHEL 7.5. So the backport is
needed for RHEL 7.4 and older. _COMPAT_LINUX_MM_H is checked as
well to avoid a conflict with the appropriate backport in MOFED.

Signed-off-by: Sergey Gorenko <sergeygo@mellanox.com>

[ bvanassche: fixed spelling in commit message ]


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@8578 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2019-09-07 03:43:59 +00:00
parent 12e87680fd
commit 1821c5a2de
1 changed files with 3 additions and 1 deletions
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4
scst/include/backport.h
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@@ -848,7 +848,9 @@ static inline void mempool_destroy_backport(mempool_t *pool)
/* <linux/mm.h> */
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0) && \
(!defined(RHEL_MAJOR) || RHEL_MAJOR -0 < 7)
(!defined(RHEL_MAJOR) || RHEL_MAJOR -0 < 7 || \
(RHEL_MAJOR -0 == 7 && RHEL_MINOR -0 < 5)) && \
!defined(_COMPAT_LINUX_MM_H)
/* See also commit a7c3e901a46f ("mm: introduce kv[mz]alloc helpers") # v4.12 */
static inline void *kvmalloc_node(size_t size, gfp_t flags, int node)
{