The patch titled microblaze: fix pfn_valid() for noMMU has been removed from the -mm tree. Its filename was microblaze-fix-pfn_valid-for-nommu.patch This patch was dropped because it was merged into mainline or a subsystem tree The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: microblaze: fix pfn_valid() for noMMU From: Steven J. Magnani <steve@xxxxxxxxxxxxxxx> Configuring DEBUG_SLAB causes a noMMU kernel to die during initialization with an invalid virtual address panic in kfree_debugcheck(). The panic is due to an improper definition of pfn_valid(). Signed-off-by: Steven J. Magnani <steve@xxxxxxxxxxxxxxx> Cc: Michal Simek <monstr@xxxxxxxxx> Cc: David Howells <dhowells@xxxxxxxxxx> Cc: Greg Ungerer <gerg@xxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/microblaze/include/asm/page.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff -puN arch/microblaze/include/asm/page.h~microblaze-fix-pfn_valid-for-nommu arch/microblaze/include/asm/page.h --- a/arch/microblaze/include/asm/page.h~microblaze-fix-pfn_valid-for-nommu +++ a/arch/microblaze/include/asm/page.h @@ -164,7 +164,8 @@ extern int page_is_ram(unsigned long pfn # endif /* CONFIG_MMU */ # ifndef CONFIG_MMU -# define pfn_valid(pfn) ((pfn) >= min_low_pfn && (pfn) <= max_mapnr) +# define pfn_valid(pfn) (((pfn) >= min_low_pfn) && \ + ((pfn) <= (min_low_pfn + max_mapnr))) # define ARCH_PFN_OFFSET (PAGE_OFFSET >> PAGE_SHIFT) # else /* CONFIG_MMU */ # define ARCH_PFN_OFFSET (memory_start >> PAGE_SHIFT) _ Patches currently in -mm which might be from steve@xxxxxxxxxxxxxxx are linux-next.patch procfs-use-proper-units-for-nommu-statm.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html