Hi all
Currently in mainline we do block account if the flags parameter
carries VM_NORESERVE.
But blocks should be accounted if reserved, as shown by the
following diff.
Am I missing anything?
thanks
Hillf
--- a/mm/shmem.c Fri Aug 5 14:01:59 2016
+++ b/mm/shmem.c Fri Aug 5 14:36:31 2016
@@ -168,7 +168,7 @@ static inline int shmem_reacct_size(unsi
*/
static inline int shmem_acct_block(unsigned long flags, long pages)
{
- if (!(flags & VM_NORESERVE))
+ if (flags & VM_NORESERVE)
return 0;
return security_vm_enough_memory_mm(current->mm,
@@ -177,7 +177,7 @@ static inline int shmem_acct_block(unsig
static inline void shmem_unacct_blocks(unsigned long flags, long pages)
{
- if (flags & VM_NORESERVE)
+ if (!(flags & VM_NORESERVE))
vm_unacct_memory(pages * VM_ACCT(PAGE_SIZE));
}
--
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