fs/exec.c:acct_arg_size(): ptl is no longer needed for add_mm_counter()
acct_arg_size() takes ->page_table_lock around add_mm_counter() if
!SPLIT_RSS_COUNTING. This is not needed after commit 172703b08c
("mm:
delete non-atomic mm counter implementation").
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Reviewed-by: Matt Fleming <matt.fleming@linux.intel.com>
Cc: Dave Hansen <dave@linux.vnet.ibm.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
parent
b4edf8bd06
commit
32e107f71e
|
@ -181,14 +181,7 @@ static void acct_arg_size(struct linux_binprm *bprm, unsigned long pages)
|
||||||
return;
|
return;
|
||||||
|
|
||||||
bprm->vma_pages = pages;
|
bprm->vma_pages = pages;
|
||||||
|
|
||||||
#ifdef SPLIT_RSS_COUNTING
|
|
||||||
add_mm_counter(mm, MM_ANONPAGES, diff);
|
add_mm_counter(mm, MM_ANONPAGES, diff);
|
||||||
#else
|
|
||||||
spin_lock(&mm->page_table_lock);
|
|
||||||
add_mm_counter(mm, MM_ANONPAGES, diff);
|
|
||||||
spin_unlock(&mm->page_table_lock);
|
|
||||||
#endif
|
|
||||||
}
|
}
|
||||||
|
|
||||||
static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos,
|
static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos,
|
||||||
|
|
Loading…
Reference in a new issue