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Smith" To: xen-devel@lists.xenproject.org Cc: Jason Andryuk , "Daniel P. Smith" , Andrew Cooper , George Dunlap , Jan Beulich , Julien Grall , Stefano Stabellini Subject: [PATCH v2 6/6] gzip: drop huffman code table tracking Date: Wed, 17 Apr 2024 10:37:16 -0400 Message-Id: <20240417143716.27189-7-dpsmith@apertussolutions.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20240417143716.27189-1-dpsmith@apertussolutions.com> References: <20240417143716.27189-1-dpsmith@apertussolutions.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMailClient: External X-ZohoMail-DKIM: pass (identity dpsmith@apertussolutions.com) X-ZM-MESSAGEID: 1713364763625100001 Content-Type: text/plain; charset="utf-8" The "tracking" bits does not appear to be used, so dropping from the code. Signed-off-by: Daniel P. Smith --- xen/common/gzip/inflate.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/xen/common/gzip/inflate.c b/xen/common/gzip/inflate.c index c18ce20210b0..15bc187c2bbe 100644 --- a/xen/common/gzip/inflate.c +++ b/xen/common/gzip/inflate.c @@ -264,8 +264,6 @@ static const int dbits =3D 6; /* bits in base = distance lookup table */ #define BMAX 16 /* maximum bit length of any code (16 for explode)= */ #define N_MAX 288 /* maximum number of codes in any set */ =20 -static unsigned __initdata hufts; /* track memory usage */ - /* * Given a list of code lengths and a maximum table size, make a set of * tables to decode that set of codes. Return zero on success, one if @@ -445,7 +443,6 @@ static int __init huft_build( goto out; } DEBG1("4 "); - hufts +=3D z + 1; /* track memory usage */ *t =3D q + 1; /* link to list for huft_free() = */ *(t =3D &(q->v.t)) =3D (struct huft *)NULL; u[h] =3D ++q; /* table starts after link */ @@ -1028,15 +1025,12 @@ static int __init inflate(struct gzip_state *s) /* decompress until the last block */ h =3D 0; do { - hufts =3D 0; #ifdef ARCH_HAS_DECOMP_WDOG arch_decomp_wdog(); #endif r =3D inflate_block(s, &e); if (r) return r; - if (hufts > h) - h =3D hufts; } while (!e); =20 /* Undo too much lookahead. The next read will be byte aligned so we --=20 2.30.2