The patch titled
Subject: mm/huge_memory.c: remove redundant PageCompound() check
has been removed from the -mm tree. Its filename was
mm-huge_memoryc-remove-redundant-pagecompound-check.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Subject: mm/huge_memory.c: remove redundant PageCompound() check
The !PageCompound() check limits the page must be head or tail while
!PageHead() further limits it to page head only. So !PageHead() check is
equivalent here.
Link: https://lkml.kernel.org/r/20210318122722.13135-5-linmiaohe@xxxxxxxxxx
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Reviewed-by: Peter Xu <peterx@xxxxxxxxxx>
Cc: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Michel Lespinasse <walken@xxxxxxxxxx>
Cc: Ralph Campbell <rcampbell@xxxxxxxxxx>
Cc: Thomas Hellstrm (Intel) <thomas_os@xxxxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Wei Yang <richard.weiyang@xxxxxxxxxxxxxxxxx>
Cc: William Kucharski <william.kucharski@xxxxxxxxxx>
Cc: Yang Shi <yang.shi@xxxxxxxxxxxxxxxxx>
Cc: yuleixzhang <yulei.kernel@xxxxxxxxx>
Cc: Zi Yan <ziy@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/huge_memory.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/huge_memory.c~mm-huge_memoryc-remove-redundant-pagecompound-check
+++ a/mm/huge_memory.c
@@ -1291,7 +1291,7 @@ vm_fault_t do_huge_pmd_wp_page(struct vm
}
page = pmd_page(orig_pmd);
- VM_BUG_ON_PAGE(!PageCompound(page) || !PageHead(page), page);
+ VM_BUG_ON_PAGE(!PageHead(page), page);
/* Lock page for reuse_swap_page() */
if (!trylock_page(page)) {
_
Patches currently in -mm which might be from linmiaohe@xxxxxxxxxx are
