On Fri, Mar 10, 2023 at 11:32:06AM +0100, Vlastimil Babka wrote: > SLOB has been removed and SLQB never merged, so remove their mentions > from comments and documentation of pagemap. > > Signed-off-by: Vlastimil Babka <vbabka@xxxxxxx> > --- > Documentation/admin-guide/mm/pagemap.rst | 6 +++--- > fs/proc/page.c | 5 ++--- > 2 files changed, 5 insertions(+), 6 deletions(-) > > diff --git a/Documentation/admin-guide/mm/pagemap.rst b/Documentation/admin-guide/mm/pagemap.rst > index b5f970dc91e7..bb4aa897a773 100644 > --- a/Documentation/admin-guide/mm/pagemap.rst > +++ b/Documentation/admin-guide/mm/pagemap.rst > @@ -91,9 +91,9 @@ Short descriptions to the page flags > The page is being locked for exclusive access, e.g. by undergoing read/write > IO. > 7 - SLAB > - The page is managed by the SLAB/SLOB/SLUB/SLQB kernel memory allocator. > - When compound page is used, SLUB/SLQB will only set this flag on the head > - page; SLOB will not flag it at all. > + The page is managed by the SLAB/SLUB kernel memory allocator. > + When compound page is used, either will only set this flag on the head > + page.. > 10 - BUDDY > A free memory block managed by the buddy system allocator. > The buddy system organizes free memory in blocks of various orders. > diff --git a/fs/proc/page.c b/fs/proc/page.c > index 6249c347809a..1356aeffd8dc 100644 > --- a/fs/proc/page.c > +++ b/fs/proc/page.c > @@ -125,7 +125,7 @@ u64 stable_page_flags(struct page *page) > /* > * pseudo flags for the well known (anonymous) memory mapped pages > * > - * Note that page->_mapcount is overloaded in SLOB/SLUB/SLQB, so the > + * Note that page->_mapcount is overloaded in SLAB/SLUB, so the SLUB does not overload _mapcount. > * simple test in page_mapped() is not enough. > */ > if (!PageSlab(page) && page_mapped(page)) > @@ -166,8 +166,7 @@ u64 stable_page_flags(struct page *page) > > /* > * Caveats on high order pages: page->_refcount will only be set > - * -1 on the head page; SLUB/SLQB do the same for PG_slab; > - * SLOB won't set PG_slab at all on compound pages. > + * -1 on the head page; SLAB/SLUB do the same for PG_slab; I think this comment could be just saying that PG_buddy is only set on head page, not saying _refcount is set to -1 on head page (is it even correct?) > */ > if (PageBuddy(page)) > u |= 1 << KPF_BUDDY; > -- > 2.39.2 >
