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mm/memcontrol.c: remove the useless parameter for mc_handle_swap_pte

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It seems like this parameter has never been used since being introduced
by 90254a6583 ("memcg: clean up move charge").  Not a big deal because
I assume the function would get inlined into the caller anyway but why
not get rid of it.

[mhocko@suse.com: wrote changelog]
  Link: http://lkml.kernel.org/r/20160525151831.GJ20132@dhcp22.suse.cz
Link: http://lkml.kernel.org/r/1464145026-26693-1-git-send-email-roy.qing.li@gmail.com
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Li RongQing 2016-07-26 15:22:14 -07:00 committed by Linus Torvalds
parent de24baecd7
commit 48406ef897
1 changed files with 3 additions and 3 deletions
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6
mm/memcontrol.c
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@ -4409,7 +4409,7 @@ static struct page *mc_handle_present_pte(struct vm_area_struct *vma,
#ifdef CONFIG_SWAP
static struct page *mc_handle_swap_pte(struct vm_area_struct *vma,
unsigned long addr, pte_t ptent, swp_entry_t *entry)
pte_t ptent, swp_entry_t *entry)
{
struct page *page = NULL;
swp_entry_t ent = pte_to_swp_entry(ptent);
@ -4428,7 +4428,7 @@ static struct page *mc_handle_swap_pte(struct vm_area_struct *vma,
}
#else
static struct page *mc_handle_swap_pte(struct vm_area_struct *vma,
unsigned long addr, pte_t ptent, swp_entry_t *entry)
pte_t ptent, swp_entry_t *entry)
{
return NULL;
}
@ -4593,7 +4593,7 @@ static enum mc_target_type get_mctgt_type(struct vm_area_struct *vma,
if (pte_present(ptent))
page = mc_handle_present_pte(vma, addr, ptent);
else if (is_swap_pte(ptent))
page = mc_handle_swap_pte(vma, addr, ptent, &ent);
page = mc_handle_swap_pte(vma, ptent, &ent);
else if (pte_none(ptent))
page = mc_handle_file_pte(vma, addr, ptent, &ent);