| Message ID | 1633935350-19628-1-git-send-email-quic_faiyazm@codeaurora.org (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | [v2] mm: page_alloc: Add debug log in free_reserved_area for static memory | expand |
Please ignore this patch. On 10/11/2021 12:25 PM, Faiyaz Mohammed wrote: > From: Faiyaz Mohammed <faiyazm@codeaurora.org> > > For INITRD and initmem memory is reserved through "memblock_reserve" > during boot up but it is free via "free_reserved_area" instead > of "memblock_free". > For example: > [ 0.294848] Freeing initrd memory: 12K. > [ 0.696688] Freeing unused kernel memory: 4096K. > > To get the start and end address of the above freed memory and to account > proper memblock added pr_debug log in "free_reserved_area". > After adding log: > [ 0.294837] 0x00000083600000-0x00000083603000 free_initrd_mem+0x20/0x28 > [ 0.294848] Freeing initrd memory: 12K. > [ 0.695246] 0x00000081600000-0x00000081a00000 free_initmem+0x70/0xc8 > [ 0.696688] Freeing unused kernel memory: 4096K. > > Signed-off-by: Faiyaz Mohammed <faiyazm@codeaurora.org> > --- > mm/page_alloc.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/mm/page_alloc.c b/mm/page_alloc.c > index 668edb1..8a1929d4 100644 > --- a/mm/page_alloc.c > +++ b/mm/page_alloc.c > @@ -8153,6 +8153,11 @@ unsigned long free_reserved_area(void *start, void *end, int poison, const char > if (pages && s) > pr_info("Freeing %s memory: %ldK\n", s, K(pages)); > > +#ifdef CONFIG_HAVE_MEMBLOCK > + memblock_dbg("memblock_free: [%#016llx-%#016llx] %pS\n", > + __pa(start), __pa(end), (void *)_RET_IP_); > +#endif > + > return pages; > } > >
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 668edb1..8a1929d4 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -8153,6 +8153,11 @@ unsigned long free_reserved_area(void *start, void *end, int poison, const char if (pages && s) pr_info("Freeing %s memory: %ldK\n", s, K(pages)); +#ifdef CONFIG_HAVE_MEMBLOCK + memblock_dbg("memblock_free: [%#016llx-%#016llx] %pS\n", + __pa(start), __pa(end), (void *)_RET_IP_); +#endif + return pages; }