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| author | Jag Raman <jag.raman@oracle.com> | 2017-06-23 20:58:33 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-06-25 22:43:12 +0200 |
| commit | 0ab2fcd69dbf1dad27a7cee0f608b48690134ced (patch) | |
| tree | 66f864d5d0ca29c0dc1c9317f684dc3f1deb745a /arch/sparc | |
| parent | sparc64: expand MDESC interface (diff) | |
| download | linux-0ab2fcd69dbf1dad27a7cee0f608b48690134ced.tar.xz linux-0ab2fcd69dbf1dad27a7cee0f608b48690134ced.zip | |
sparc64: mdesc: use __GFP_REPEAT action modifier for VM allocation
During MDESC handle allocation, use the __GFP_REPEAT flag instead of
__GFP_NOFAIL. If memory is not available, the caller expects a NULL
pointer instead of waiting until memory is allocated.
Signed-off-by: Jagannathan Raman <jag.raman@oracle.com>
Reviewed-by: Liam Merwick <liam.merwick@oracle.com>
Reviewed-by: Shannon Nelson <shannon.nelson@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc')
| -rw-r--r-- | arch/sparc/kernel/mdesc.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/arch/sparc/kernel/mdesc.c b/arch/sparc/kernel/mdesc.c index 72aca731657f..f0249691d000 100644 --- a/arch/sparc/kernel/mdesc.c +++ b/arch/sparc/kernel/mdesc.c @@ -205,12 +205,10 @@ static struct mdesc_handle *mdesc_kmalloc(unsigned int mdesc_size) handle_size = (sizeof(struct mdesc_handle) - sizeof(struct mdesc_hdr) + mdesc_size); + base = kmalloc(handle_size + 15, GFP_KERNEL | __GFP_REPEAT); + if (!base) + return NULL; - /* - * Allocation has to succeed because mdesc update would be missed - * and such events are not retransmitted. - */ - base = kmalloc(handle_size + 15, GFP_KERNEL | __GFP_NOFAIL); addr = (unsigned long)base; addr = (addr + 15UL) & ~15UL; hp = (struct mdesc_handle *) addr; |