Re: [PATCH 0/2] Fix parameter passed to page_mapcount_is_type()

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On 3/21/25 3:31 PM, Gavin Shan wrote:
Found by code inspection. There are two places where the parameter
passed to page_mapcount_is_type() is (page->__mapcount), which is
correct since it should be one more than the value, as explained in
  ^^^^^^^
  s/correct/incorrect

the comments to page_mapcount_is_type(): (a) page_has_type() in
page-flags.h (b) __dump_folio() in mm/debug.c

PATCH[1] fixes the parameter for (a)
PATCH[2] fixes the parameter for (b)

Gavin Shan (2):
   mm: Fix parameter passed to page_mapcount_is_type()
   mm/debug: Fix parameter passed to page_mapcount_is_type()

  include/linux/page-flags.h | 2 +-
  mm/debug.c                 | 4 ++--
  2 files changed, 3 insertions(+), 3 deletions(-)






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