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author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2023-08-18 21:06:28 +0100 |
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committer | Andrew Morton <akpm@linux-foundation.org> | 2023-08-24 16:20:30 -0700 |
commit | 853f62a30422f1a9a9c1f4b44df9b0de0d46a9e9 (patch) | |
tree | 40c377c3a25d8db6448939c3cf5459c7cf8d2ac9 | |
parent | 19134bc23500a01bfdb77a804fc8e4bf8808d0cc (diff) | |
download | lwn-853f62a30422f1a9a9c1f4b44df9b0de0d46a9e9.tar.gz lwn-853f62a30422f1a9a9c1f4b44df9b0de0d46a9e9.zip |
mm: fix get_mctgt_type() kernel-doc
Convert the return values to an ReST list and tidy up the wording while
I'm touching it.
[akpm@linux-foundation.org: changes suggested by Randy]
[willy@infradead.org: another change suggested by Randy]
Link: https://lkml.kernel.org/r/ZOUZtZizeQG7PcsM@casper.infradead.org
Link: https://lkml.kernel.org/r/20230818200630.2719595-3-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Mike Rapoport (IBM) <rppt@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
-rw-r--r-- | mm/memcontrol.c | 31 |
1 files changed, 13 insertions, 18 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 0286bd0ab043..b29b850cf399 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -5850,25 +5850,20 @@ out: * @ptent: the pte to be checked * @target: the pointer the target page or swap ent will be stored(can be NULL) * - * Returns - * 0(MC_TARGET_NONE): if the pte is not a target for move charge. - * 1(MC_TARGET_PAGE): if the page corresponding to this pte is a target for - * move charge. if @target is not NULL, the page is stored in target->page - * with extra refcnt got(Callers should handle it). - * 2(MC_TARGET_SWAP): if the swap entry corresponding to this pte is a - * target for charge migration. if @target is not NULL, the entry is stored - * in target->ent. - * 3(MC_TARGET_DEVICE): like MC_TARGET_PAGE but page is device memory and - * thus not on the lru. - * For now we such page is charge like a regular page would be as for all - * intent and purposes it is just special memory taking the place of a - * regular page. - * - * See Documentations/vm/hmm.txt and include/linux/hmm.h - * - * Called with pte lock held. + * Context: Called with pte lock held. + * Return: + * * MC_TARGET_NONE - If the pte is not a target for move charge. + * * MC_TARGET_PAGE - If the page corresponding to this pte is a target for + * move charge. If @target is not NULL, the page is stored in target->page + * with extra refcnt taken (Caller should release it). + * * MC_TARGET_SWAP - If the swap entry corresponding to this pte is a + * target for charge migration. If @target is not NULL, the entry is + * stored in target->ent. + * * MC_TARGET_DEVICE - Like MC_TARGET_PAGE but page is device memory and + * thus not on the lru. For now such page is charged like a regular page + * would be as it is just special memory taking the place of a regular page. + * See Documentations/vm/hmm.txt and include/linux/hmm.h */ - static enum mc_target_type get_mctgt_type(struct vm_area_struct *vma, unsigned long addr, pte_t ptent, union mc_target *target) { |