openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

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>
This commit is contained in:
Jag Raman 2017-06-23 14:58:33 -04:00 committed by David S. Miller
parent 411cb4a0b3
commit 0ab2fcd69d
1 changed files with 3 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
arch/sparc/kernel/mdesc.c
View File

@ -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;