The patch titled
Subject: mm/memory-failure: convert free_raw_hwp_pages() to folios
has been added to the -mm mm-unstable branch. Its filename is
mm-memory-failure-convert-free_raw_hwp_pages-to-folios.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-memory-failure-convert-free_raw_hwp_pages-to-folios.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Sidhartha Kumar <sidhartha.kumar@xxxxxxxxxx>
Subject: mm/memory-failure: convert free_raw_hwp_pages() to folios
Date: Thu, 12 Jan 2023 14:46:04 -0600
Change free_raw_hwp_pages() to folio_free_raw_hwp(), converts two users of
hugetlb specific page macro users to their folio equivalents.
Link: https://lkml.kernel.org/r/20230112204608.80136-5-sidhartha.kumar@xxxxxxxxxx
Signed-off-by: Sidhartha Kumar <sidhartha.kumar@xxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Cc: Naoya Horiguchi <naoya.horiguchi@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memory-failure.c | 22 ++++++++++++----------
1 file changed, 12 insertions(+), 10 deletions(-)
--- a/mm/memory-failure.c~mm-memory-failure-convert-free_raw_hwp_pages-to-folios
+++ a/mm/memory-failure.c
@@ -1766,23 +1766,23 @@ static int hugetlb_set_page_hwpoison(str
return ret;
}
-static unsigned long free_raw_hwp_pages(struct page *hpage, bool move_flag)
+static unsigned long folio_free_raw_hwp(struct folio *folio, bool move_flag)
{
/*
- * HPageVmemmapOptimized hugepages can't be freed because struct
+ * hugetlb_vmemmap_optimized hugepages can't be freed because struct
* pages for tail pages are required but they don't exist.
*/
- if (move_flag && HPageVmemmapOptimized(hpage))
+ if (move_flag && folio_test_hugetlb_vmemmap_optimized(folio))
return 0;
/*
- * HPageRawHwpUnreliable hugepages shouldn't be unpoisoned by
+ * hugetlb_raw_hwp_unreliable hugepages shouldn't be unpoisoned by
* definition.
*/
- if (HPageRawHwpUnreliable(hpage))
+ if (folio_test_hugetlb_raw_hwp_unreliable(folio))
return 0;
- return __free_raw_hwp_pages(hpage, move_flag);
+ return __free_raw_hwp_pages(&folio->page, move_flag);
}
void folio_clear_hugetlb_hwpoison(struct folio *folio)
@@ -1790,7 +1790,7 @@ void folio_clear_hugetlb_hwpoison(struct
if (folio_test_hugetlb_raw_hwp_unreliable(folio))
return;
folio_clear_hwpoison(folio);
- free_raw_hwp_pages(&folio->page, true);
+ folio_free_raw_hwp(folio, true);
}
/*
@@ -1929,7 +1929,7 @@ static inline int try_memory_failure_hug
return 0;
}
-static inline unsigned long free_raw_hwp_pages(struct page *hpage, bool flag)
+static inline unsigned long folio_free_raw_hwp(struct folio *folio, bool flag)
{
return 0;
}
@@ -2336,6 +2336,7 @@ core_initcall(memory_failure_init);
int unpoison_memory(unsigned long pfn)
{
struct page *page;
+ struct folio *folio;
struct page *p;
int ret = -EBUSY;
unsigned long count = 1;
@@ -2348,6 +2349,7 @@ int unpoison_memory(unsigned long pfn)
p = pfn_to_page(pfn);
page = compound_head(p);
+ folio = page_folio(p);
mutex_lock(&mf_mutex);
@@ -2389,7 +2391,7 @@ int unpoison_memory(unsigned long pfn)
if (!ret) {
if (PageHuge(p)) {
huge = true;
- count = free_raw_hwp_pages(page, false);
+ count = folio_free_raw_hwp(folio, false);
if (count == 0) {
ret = -EBUSY;
goto unlock_mutex;
@@ -2405,7 +2407,7 @@ int unpoison_memory(unsigned long pfn)
} else {
if (PageHuge(p)) {
huge = true;
- count = free_raw_hwp_pages(page, false);
+ count = folio_free_raw_hwp(folio, false);
if (count == 0) {
ret = -EBUSY;
put_page(page);
_
Patches currently in -mm which might be from sidhartha.kumar@xxxxxxxxxx are
mm-move-folio_set_compound_order-to-mm-internalh.patch
mm-introduce-folio_is_pfmemalloc.patch
mm-remove-the-hugetlb-field-from-struct-page.patch
mm-memory-failure-convert-__get_huge_page_for_hwpoison-to-folios.patch
mm-memory-failure-convert-try_memory_failure_hugetlb-to-folios.patch
mm-memory-failure-convert-hugetlb_clear_page_hwpoison-to-folios.patch
mm-memory-failure-convert-free_raw_hwp_pages-to-folios.patch
mm-memory-failure-convert-raw_hwp_list_head-to-folios.patch
mm-memory-failure-convert-__free_raw_hwp_pages-to-folios.patch
mm-memory-failure-convert-hugetlb_set_page_hwpoison-to-folios.patch
mm-memory-failure-convert-unpoison_memory-to-folios.patch
