Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1507876

[PATCHv4 08/43] page-flags: relax page flag policy for few flags

From "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Newsgroups linux.kernel
Subject [PATCHv4 08/43] page-flags: relax page flag policy for few flags
Date 2016-10-25 02:30 +0200
Message-ID <svXMS-6y6-19@gated-at.bofh.it> (permalink)
References <svXDb-6uQ-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw

These flags are in use for filesystems with backing storage: PG_error,
PG_writeback and PG_readahead.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
---
 include/linux/page-flags.h | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index 74e4dda91238..a2bef9a41bcf 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -253,7 +253,7 @@ static inline int TestClearPage##uname(struct page *page) { return 0; }
 	TESTSETFLAG_FALSE(uname) TESTCLEARFLAG_FALSE(uname)
 
 __PAGEFLAG(Locked, locked, PF_NO_TAIL)
-PAGEFLAG(Error, error, PF_NO_COMPOUND) TESTCLEARFLAG(Error, error, PF_NO_COMPOUND)
+PAGEFLAG(Error, error, PF_NO_TAIL) TESTCLEARFLAG(Error, error, PF_NO_TAIL)
 PAGEFLAG(Referenced, referenced, PF_HEAD)
 	TESTCLEARFLAG(Referenced, referenced, PF_HEAD)
 	__SETPAGEFLAG(Referenced, referenced, PF_HEAD)
@@ -293,15 +293,15 @@ PAGEFLAG(OwnerPriv1, owner_priv_1, PF_ANY)
  * Only test-and-set exist for PG_writeback.  The unconditional operators are
  * risky: they bypass page accounting.
  */
-TESTPAGEFLAG(Writeback, writeback, PF_NO_COMPOUND)
-	TESTSCFLAG(Writeback, writeback, PF_NO_COMPOUND)
+TESTPAGEFLAG(Writeback, writeback, PF_NO_TAIL)
+	TESTSCFLAG(Writeback, writeback, PF_NO_TAIL)
 PAGEFLAG(MappedToDisk, mappedtodisk, PF_NO_TAIL)
 
 /* PG_readahead is only used for reads; PG_reclaim is only for writes */
 PAGEFLAG(Reclaim, reclaim, PF_NO_TAIL)
 	TESTCLEARFLAG(Reclaim, reclaim, PF_NO_TAIL)
-PAGEFLAG(Readahead, reclaim, PF_NO_COMPOUND)
-	TESTCLEARFLAG(Readahead, reclaim, PF_NO_COMPOUND)
+PAGEFLAG(Readahead, reclaim, PF_NO_TAIL)
+	TESTCLEARFLAG(Readahead, reclaim, PF_NO_TAIL)
 
 #ifdef CONFIG_HIGHMEM
 /*
-- 
2.9.3

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

[PATCHv4 00/43] ext4: support of huge pages "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:20 +0200
  [PATCHv4 02/43] radix tree test suite: Allow GFP_ATOMIC allocations to fail "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:20 +0200
  [PATCHv4 34/43] ext4: handle huge pages in __ext4_block_zero_page_range() "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:20 +0200
  [PATCHv4 26/43] fs: make block_page_mkwrite() aware about huge pages "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:20 +0200
  [PATCHv4 40/43] ext4: fix SEEK_DATA/SEEK_HOLE for huge pages "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:20 +0200
  [PATCHv4 42/43] mm, fs, ext4: expand use of page_mapping() and page_to_pgoff() "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:20 +0200
  [PATCHv4 41/43] ext4: make fallocate() operations work with huge pages "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:20 +0200
  [PATCHv4 09/43] mm, rmap: account file thp pages "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:20 +0200
  [PATCHv4 35/43] ext4: make ext4_block_write_begin() aware about huge pages "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:20 +0200
  [PATCHv4 06/43] mm, shmem: swich huge tmpfs to multi-order radix-tree entries "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:20 +0200
  [PATCHv4 36/43] ext4: handle huge pages in ext4_da_write_end() "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:20 +0200
  [PATCHv4 10/43] thp: try to free page's buffers before attempt split "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:20 +0200
  [PATCHv4 11/43] thp: handle write-protection faults for file THP "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:20 +0200
  [PATCHv4 18/43] block: define BIO_MAX_PAGES to HPAGE_PMD_NR if huge page cache enabled "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:30 +0200
    Re: [PATCHv4 18/43] block: define BIO_MAX_PAGES to HPAGE_PMD_NR if  huge page cache enabled Christoph Hellwig <hch@infradead.org> - 2016-10-25 09:30 +0200
      Re: [PATCHv4 18/43] block: define BIO_MAX_PAGES to HPAGE_PMD_NR if  huge page cache enabled "Kirill A. Shutemov" <kirill@shutemov.name> - 2016-10-26 00:40 +0200
        Re: [PATCHv4 18/43] block: define BIO_MAX_PAGES to HPAGE_PMD_NR if huge page cache enabled Andreas Dilger <adilger@dilger.ca> - 2016-10-26 06:20 +0200
          Re: [PATCHv4 18/43] block: define BIO_MAX_PAGES to HPAGE_PMD_NR if  huge page cache enabled Ming Lei <tom.leiming@gmail.com> - 2016-10-26 09:40 +0200
            Re: [PATCHv4 18/43] block: define BIO_MAX_PAGES to HPAGE_PMD_NR if  huge page cache enabled Christoph Hellwig <hch@infradead.org> - 2016-10-26 09:40 +0200
          Re: [PATCHv4 18/43] block: define BIO_MAX_PAGES to HPAGE_PMD_NR if  huge page cache enabled Christoph Hellwig <hch@infradead.org> - 2016-10-26 09:40 +0200
        Re: [PATCHv4 18/43] block: define BIO_MAX_PAGES to HPAGE_PMD_NR if  huge page cache enabled Christoph Hellwig <hch@infradead.org> - 2016-10-26 09:40 +0200
  [PATCHv4 30/43] mm: account huge pages to dirty, writaback, reclaimable, etc. "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:30 +0200
  [PATCHv4 31/43] ext4: make ext4_mpage_readpages() hugepage-aware "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:30 +0200
  [PATCHv4 17/43] HACK: readahead: alloc huge pages, if allowed "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:30 +0200
  [PATCHv4 20/43] mm: make write_cache_pages() work on huge pages "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:30 +0200
  [PATCHv4 21/43] thp: introduce hpage_size() and hpage_mask() "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:30 +0200
  [PATCHv4 01/43] tools: Add WARN_ON_ONCE "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:30 +0200
  [PATCHv4 08/43] page-flags: relax page flag policy for few flags "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:30 +0200
  [PATCHv4 39/43] ext4: make EXT4_IOC_MOVE_EXT work with huge pages "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:30 +0200
  [PATCHv4 32/43] ext4: make ext4_writepage() work on huge pages "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:30 +0200
  [PATCHv4 13/43] filemap: allocate huge page in page_cache_read(), if allowed "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:30 +0200
  [PATCHv4 28/43] truncate: make invalidate_inode_pages2_range() aware about huge pages "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:30 +0200
  [PATCHv4 03/43] radix-tree: Add radix_tree_join "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:30 +0200
  [PATCHv4 15/43] filemap: allocate huge page in pagecache_get_page(), if allowed "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:30 +0200
  [PATCHv4 29/43] mm, hugetlb: switch hugetlbfs to multi-order radix-tree entries "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:30 +0200
  [PATCHv4 23/43] thp: make thp_get_unmapped_area() respect S_HUGE_MODE "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:30 +0200
  [PATCHv4 24/43] fs: make block_read_full_page() be able to read huge page "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-10-25 02:30 +0200

csiph-web