The patch titled
Subject: mm,hugetlb: remove unneded initialization
has been added to the -mm tree. Its filename is
mmhugetlb-remove-unneded-initialization.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mmhugetlb-remove-unneded-initialization.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mmhugetlb-remove-unneded-initialization.patch
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------------------------------------------------------
From: Oscar Salvador <osalvador@xxxxxxx>
Subject: mm,hugetlb: remove unneded initialization
hugetlb_add_hstate initializes nr_huge_pages and free_huge_pages to 0, but
since hstates[] is a global variable, all its fields are defined to 0
already.
Link: https://lkml.kernel.org/r/20201119112141.6452-1-osalvador@xxxxxxx
Signed-off-by: Oscar Salvador <osalvador@xxxxxxx>
Reviewed-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/hugetlb.c | 2 --
1 file changed, 2 deletions(-)
--- a/mm/hugetlb.c~mmhugetlb-remove-unneded-initialization
+++ a/mm/hugetlb.c
@@ -3197,8 +3197,6 @@ void __init hugetlb_add_hstate(unsigned
h = &hstates[hugetlb_max_hstate++];
h->order = order;
h->mask = ~((1ULL << (order + PAGE_SHIFT)) - 1);
- h->nr_huge_pages = 0;
- h->free_huge_pages = 0;
for (i = 0; i < MAX_NUMNODES; ++i)
INIT_LIST_HEAD(&h->hugepage_freelists[i]);
INIT_LIST_HEAD(&h->hugepage_activelist);
_
Patches currently in -mm which might be from osalvador@xxxxxxx are
mmhwpoison-drain-pcplists-before-bailing-out-for-non-buddy-zero-refcount-page.patch
mmhwpoison-take-free-pages-off-the-buddy-freelists.patch
mmhwpoison-take-free-pages-off-the-buddy-freelists-for-hugetlb.patch
mmhwpoison-drop-unneeded-pcplist-draining.patch
mmhugetlb-remove-unneded-initialization.patch
