Messages in this thread Patch in this message | | | Date | Thu, 1 Nov 2001 11:28:00 -0500 | Subject | Re: 2.4.13-ac2/3/5: Strange cache memory report | From | Josh McKinney <> |
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On approximately Thu, Nov 01, 2001 at 09:26:39AM +0100, Alexander Kellett wrote: > > Hey, > > > > I've noticed a strange bug in 2.4.13-ac2, 3, and 5. (It wasn't > > there in 2.4.12-ac2) Namely, shortly after starting X, the reported > > amount of cached memory spikes to somewhere around 18 hexabytes. > > Needless to say, I don't have this much memory. :-) > > Rik posted a patch yesterday to fix this. >
Here is the mentioned patch again.
--- linux-2.4.13-ac5/fs/proc/proc_misc.c.blkpg Wed Oct 31 13:09:51 2001 +++ linux-2.4.13-ac5/fs/proc/proc_misc.c Wed Oct 31 13:12:27 2001 @@ -140,7 +140,9 @@ { struct sysinfo i; int len; - int pg_size; + unsigned int cached; + + cached = atomic_read(&page_cache_size) - atomic_read(&shmem_nrpages);
/* * display in kilobytes. @@ -149,14 +151,12 @@ #define B(x) ((unsigned long long)(x) << PAGE_SHIFT) si_meminfo(&i); si_swapinfo(&i); - pg_size = atomic_read(&page_cache_size) - i.bufferram ; - len = sprintf(page, " total: used: free: shared: buffers: cached:\n" "Mem: %8Lu %8Lu %8Lu %8Lu %8Lu %8Lu\n" "Swap: %8Lu %8Lu %8Lu\n", B(i.totalram), B(i.totalram-i.freeram), B(i.freeram), B(i.sharedram), B(i.bufferram), - B(pg_size), B(i.totalswap), + B(cached), B(i.totalswap), B(i.totalswap-i.freeswap), B(i.freeswap)); /* * Tagged format, for easy grepping and expansion. @@ -184,7 +184,7 @@ K(i.freeram), K(i.sharedram), K(i.bufferram), - K(pg_size - swapper_space.nrpages), + K(cached - swapper_space.nrpages), K(swapper_space.nrpages), K(nr_active_pages), K(nr_inactive_dirty_pages), -- Linux, the choice | <doogie> Thinking is dangerous. It leads of a GNU generation -o) | to ideas. -- Seen on #Debian Kernel 2.4.14-pre6 /\ | on a i586 _\_v | | - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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