On Wed, Jul 08, 2026 at 08:47:51AM +0100, Lorenzo Stoakes wrote: > On Wed, Jul 08, 2026 at 11:01:50AM +0530, Mukesh Ojha wrote: > > From: Eugen Hristev <[email protected]> > > > > Annotate vital static information into inspection table: > > - nr_swapfiles > > > > Information on these variables is stored in a dedicated meminspect > > section. > > > > Signed-off-by: Eugen Hristev <[email protected]> > > Signed-off-by: Mukesh Ojha <[email protected]> > > --- > > mm/swapfile.c | 2 ++ > > 1 file changed, 2 insertions(+) > > > > diff --git a/mm/swapfile.c b/mm/swapfile.c > > index a602e5820513..d480727e4987 100644 > > --- a/mm/swapfile.c > > +++ b/mm/swapfile.c > > @@ -42,6 +42,7 @@ > > #include <linux/suspend.h> > > #include <linux/zswap.h> > > #include <linux/plist.h> > > +#include <linux/meminspect.h> > > > > #include <asm/tlbflush.h> > > #include <linux/leafops.h> > > @@ -65,6 +66,7 @@ static void move_cluster(struct swap_info_struct *si, > > */ > > static DEFINE_SPINLOCK(swap_lock); > > static unsigned int nr_swapfiles; > > +MEMINSPECT_SIMPLE_ENTRY(nr_swapfiles); > > Now the EXPORT_SYMBOL_GPL() is an EXPORT_SYMBOL() in effect no?
The whole reason we had to tag most of the MM symbols is that the crash tool looks for this information while launching itself. e.g., ./crash --no_modules --no_panic --no_kmem_cache --zero_excluded ./vmlinux ./minidump.elf > > > atomic_long_t nr_swap_pages; > > /* > > * Some modules use swappable objects and may try to swap them out under > > > > -- > > 2.53.0 > > -- -Mukesh Ojha
