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K0xKhFYNdEcJ/u2oKJjENXXzcJ2YyWv64A7aCqFat/Dz89ykiQzXRxCtVsWkWlkkaegJeemVvEI rcUjjrefoZTdmd+PAXw5flwUMe22xWIBocjnfUALGepPVmTMTMlT7zPbxYC0dnWhmx46B4IupGX dCOne2/zmtPkpmWthrRRqvDpeI5qXJpU7wG3HzQ3hzb94NVwajlkG4cQ2AEYpqZXJHbdhYcJj0K 4sA+EARPGm+VMqhzDIU8um5GjeR8UHz/nhC2wDbA74Ak8QCHsUvn5qJliVtsOLqda/gHns/v X-Authority-Analysis: v=2.4 cv=LcU86ifi c=1 sm=1 tr=0 ts=6863e152 cx=c_pps a=XiAAW1AwiKB2Y8Wsi+sD2Q==:117 a=XiAAW1AwiKB2Y8Wsi+sD2Q==:17 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=wKuvFiaSGQ0qltdbU6+NXLB8nM8=:19 a=Ol13hO9ccFRV9qXi2t6ftBPywas=:19 a=xqWC_Br6kY4A:10 a=kj9zAlcOel0A:10 a=Wb1JkmetP80A:10 a=GoEa3M9JfhUA:10 a=20KFwNOVAAAA:8 a=yPCof4ZbAAAA:8 a=-NgofIoVi_djHdvg_LcA:9 a=CjuIK1q_8ugA:10 X-Proofpoint-GUID: UiIRcFfQLmd_7sy9BXRSHVrH2NgVwFOe X-Proofpoint-ORIG-GUID: UiIRcFfQLmd_7sy9BXRSHVrH2NgVwFOe On Mon, Jun 30, 2025 at 03:00:10PM +0200, David Hildenbrand wrote: > Let's just special-case based on IS_ENABLED(CONFIG_BALLOON_COMPACTION > like we did for balloon_page_finalize(). > > Signed-off-by: David Hildenbrand LGTM, so: Reviewed-by: Lorenzo Stoakes > --- > include/linux/balloon_compaction.h | 42 +++++++++++------------------- > 1 file changed, 15 insertions(+), 27 deletions(-) > > diff --git a/include/linux/balloon_compaction.h b/include/linux/balloon_compaction.h > index 2fecfead91d26..7cfe48769239e 100644 > --- a/include/linux/balloon_compaction.h > +++ b/include/linux/balloon_compaction.h > @@ -77,6 +77,15 @@ static inline void balloon_devinfo_init(struct balloon_dev_info *balloon) > > #ifdef CONFIG_BALLOON_COMPACTION > extern const struct movable_operations balloon_mops; > +/* > + * balloon_page_device - get the b_dev_info descriptor for the balloon device > + * that enqueues the given page. > + */ > +static inline struct balloon_dev_info *balloon_page_device(struct page *page) > +{ > + return (struct balloon_dev_info *)page_private(page); > +} > +#endif /* CONFIG_BALLOON_COMPACTION */ > > /* > * balloon_page_insert - insert a page into the balloon's page list and make > @@ -91,41 +100,20 @@ static inline void balloon_page_insert(struct balloon_dev_info *balloon, > struct page *page) > { > __SetPageOffline(page); > - SetPageMovableOps(page); > - set_page_private(page, (unsigned long)balloon); > - list_add(&page->lru, &balloon->pages); > -} > - > -/* > - * balloon_page_device - get the b_dev_info descriptor for the balloon device > - * that enqueues the given page. > - */ > -static inline struct balloon_dev_info *balloon_page_device(struct page *page) > -{ > - return (struct balloon_dev_info *)page_private(page); > -} > - > -static inline gfp_t balloon_mapping_gfp_mask(void) > -{ > - return GFP_HIGHUSER_MOVABLE; > -} > - > -#else /* !CONFIG_BALLOON_COMPACTION */ > - > -static inline void balloon_page_insert(struct balloon_dev_info *balloon, > - struct page *page) > -{ > - __SetPageOffline(page); > + if (IS_ENABLED(CONFIG_BALLOON_COMPACTION)) { > + SetPageMovableOps(page); > + set_page_private(page, (unsigned long)balloon); > + } > list_add(&page->lru, &balloon->pages); > } > > static inline gfp_t balloon_mapping_gfp_mask(void) > { > + if (IS_ENABLED(CONFIG_BALLOON_COMPACTION)) > + return GFP_HIGHUSER_MOVABLE; > return GFP_HIGHUSER; > } > > -#endif /* CONFIG_BALLOON_COMPACTION */ > - > /* > * balloon_page_finalize - prepare a balloon page that was removed from the > * balloon list for release to the page allocator > -- > 2.49.0 >